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    Unfortunately, no. The portrait is printed on heavier paper than the
    rest of the text, and the chain lines are horizontal, not vertical.<br>
    <br>
    The catalog record for the copy at the Biblioteca Nacional de España
    also shows a missing leaf in the P signature. <br>
<a class="moz-txt-link-freetext" href="http://catalogo.bne.es/uhtbin/cgisirsi/JeBAryrR57/BNMADRID/39930044/9">http://catalogo.bne.es/uhtbin/cgisirsi/JeBAryrR57/BNMADRID/39930044/9</a><br>
    Their notation: " Sign.: [ ]⁸, A-O⁸, P⁸⁻¹ " <br>
    <br>
    <br>
    <div class="moz-cite-prefix">On 4/16/2014 4:19 PM, Noble, Richard
      wrote:<br>
    </div>
    <blockquote
cite="mid:CAO86_RpJneYUbvx_7pnSdzYpmyq7tKPLZKnN6uPvH5CrpfYD0Q@mail.gmail.com"
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          style="font-family:georgia,serif;font-size:small">If P8 can't
          be identified with a blank leaf (there seem to have been
          blanks at the end of the copy reproduced in the online pdf),
          the better notation when dealing with a single copy is "P^8(P8
          missing, blank?)"--a little tactic that Bowers suggests, out
          of the proper place for such a suggestion, on p. 118 of <i>Principles</i>.
          Is there any chance that it's the leaf on which the portrait
          was printed?</div>
        <div class="gmail_default"
          style="font-family:georgia,serif;font-size:small"><br>
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        <div class="gmail_default"
          style="font-family:georgia,serif;font-size:small">Richard</div>
      </div>
      <div class="gmail_extra"><br clear="all">
        <div><font face="'courier new', monospace">RICHARD NOBLE :: RARE
            MATERIALS CATALOGUER :: JOHN HAY LIBRARY</font>
          <div><font face="'courier new', monospace">BROWN UNIVERSITY
               ::  PROVIDENCE, R.I. 02912  ::  401-863-1187</font></div>
          <div><span style="font-family:'courier new',monospace"><</span><a
              moz-do-not-send="true"
              href="mailto:RICHARD_NOBLE@BROWN.EDU"
              style="font-family:'courier new',monospace"
              target="_blank">Richard_Noble@Br</a><span
              style="font-family:'courier new',monospace"><a
                moz-do-not-send="true" href="http://own.edu"
                target="_blank">own.edu</a></span><span
              style="font-family:'courier new',monospace">></span></div>
        </div>
        <br>
        <br>
        <div class="gmail_quote">On Wed, Apr 16, 2014 at 3:47 PM,
          Barbara Tysinger <span dir="ltr"><<a
              moz-do-not-send="true"
              href="mailto:btysingr@email.unc.edu" target="_blank">btysingr@email.unc.edu</a>></span>
          wrote:<br>
          <blockquote class="gmail_quote" style="margin:0 0 0
            .8ex;border-left:1px #ccc solid;padding-left:1ex">
            <div bgcolor="#FFFFFF" text="#000000"> Thanks, Richard! (and
              others!)<br>
              <br>
              I have the final signature (without the frontispiece or
              other plates) as: pi⁸ A-O⁸ P⁸ (-P8)<br>
              I hadn't included the " P⁸ (-P8) " in my earlier message
              because I didn't want to cloud the issue unnecessarily.  <br>
              <span class="HOEnZb"><font color="#888888"> <br>
                  Barbara<br>
                </font></span><br>
              PS. I wish I could go back to Rare Book School (I was
              there in 2011 for the Rare Books Cataloging course and
              loved every minute!), but after I finish cataloging this
              group of books, I'm less likely to encounter many
              non-standard collations.
              <div>
                <div class="h5"><br>
                  <br>
                  <br>
                  <div>On 4/16/2014 3:01 PM, Noble, Richard wrote:<br>
                  </div>
                  <blockquote type="cite">
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                      <div class="gmail_default"
                        style="font-family:georgia,serif;font-size:small">As
                        a general rule, the collational formula concerns
                        only those portions of the text that passed
                        through the printing press. In particular,
                        engravings on separate leaves--not printed on an
                        "integral" leaf, that is, a leaf that forms part
                        of the printed sheets--are to be separately
                        accounted for. In a case like yours, I'd note</div>
                      <div class="gmail_default"
                        style="font-family:georgia,serif;font-size:small"><br>
                      </div>
                      <div class="gmail_default"
                        style="font-family:georgia,serif;font-size:small">8vo:
                        [pi]^8 A-P^8 [$2 signed]; 128 leaves, pages
                        [I-II] III-XVI, 1-237 [238-240] + frontispiece
                        portrait and 4 plates ('Lam. 1a'-'Lam. 4a')</div>
                      <div class="gmail_default"
                        style="font-family:georgia,serif;font-size:small"><br>
                      </div>
                      <div class="gmail_default"
                        style="font-family:georgia,serif;font-size:small">This
                        may be wrong in detail--the online pdf loads too
                        slowly to be repeatedly scanned for details--but
                        the final gathering <i>is</i> P, not O. The
                        portrait could just as well face the title page
                        as the first page of text--that's probably a
                        copy-specific matter (to oversimplify a little
                        too radically, printed sheets are the fixed
                        stars, plates are planets--wandering stars).</div>
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                        style="font-family:georgia,serif;font-size:small"><br>
                      </div>
                      <div class="gmail_default"
                        style="font-family:georgia,serif;font-size:small">Time
                        to review chapter five of Bowers' <i>Principles</i>,
                        and see whether you can get some funding (or a
                        scholarship) for Rare Book School course G-10,
                        aka Bibliography Boot Camp.</div>
                    </div>
                    <div class="gmail_extra"><br clear="all">
                      <div><font face="'courier new', monospace">RICHARD
                          NOBLE :: RARE MATERIALS CATALOGUER :: JOHN HAY
                          LIBRARY</font>
                        <div><font face="'courier new', monospace">BROWN
                            UNIVERSITY  ::  PROVIDENCE, R.I. 02912  ::  <a
                              moz-do-not-send="true"
                              href="tel:401-863-1187"
                              value="+14018631187" target="_blank">401-863-1187</a></font></div>
                        <div><span style="font-family:'courier
                            new',monospace"><</span><a
                            moz-do-not-send="true"
                            href="mailto:RICHARD_NOBLE@BROWN.EDU"
                            style="font-family:'courier new',monospace"
                            target="_blank">Richard_Noble@Br</a><span
                            style="font-family:'courier new',monospace"><a
                              moz-do-not-send="true"
                              href="http://own.edu" target="_blank">own.edu</a></span><span
                            style="font-family:'courier new',monospace">></span></div>
                      </div>
                      <br>
                      <br>
                      <div class="gmail_quote">On Wed, Apr 16, 2014 at
                        1:56 PM, Barbara Tysinger <span dir="ltr"><<a
                            moz-do-not-send="true"
                            href="mailto:btysingr@email.unc.edu"
                            target="_blank">btysingr@email.unc.edu</a>></span>
                        wrote:<br>
                        <blockquote class="gmail_quote" style="margin:0
                          0 0 .8ex;border-left:1px #ccc
                          solid;padding-left:1ex">
                          <div bgcolor="#FFFFFF" text="#000000"> Good
                            afternoon!<br>
                            <br>
                            The latest in my series of signature
                            queries...<br>
                            <br>
                            I have a book in octavo, the preliminaries
                            are in a single gathering, completely
                            unsigned, followed by an engraved
                            frontispiece singleton (also unsigned), and
                            then the main text block, with the title
                            page being A1.<br>
                            <br>
                            My question, should the frontispiece
                            singleton be recorded in the signature
                            statement as: " pi⁸ chi1 A-O⁸ "  or as " pi⁸
                            2pi1 A-O⁸ "? Or as something else?<br>
                            <br>
                            The book in question is:<br>
                            <blockquote><i>Tratado de las operaciones
                                que deben practicarse en la dentadura, y
                                método para conservaria en buen estado</i>
                              ... by Félix Pérez Arroyo. Madrid:
                              Franganillo, 1799.<br>
                              <br>
                              <a moz-do-not-send="true"
                                href="http://bdh-rd.bne.es/viewer.vm?id=0000081979&page=1"
                                target="_blank">http://bdh-rd.bne.es/viewer.vm?id=0000081979&page=1</a><br>
                            </blockquote>
                            Thanks!
                            <div><br>
                              Barbara<br>
                              ...................All opinions are
                              entirely my own....................<br>
                              <br>
                              Barbara R.
                              Tysinger                               
                              Phone: <a moz-do-not-send="true"
                                href="tel:%28919%29966-0949"
                                value="+19199660949" target="_blank">(919)966-0949</a><br>
                              Health Sciences
                              Library                            Fax:  
                              <a moz-do-not-send="true"
                                href="tel:%28919%29966-1388"
                                value="+19199661388" target="_blank">(919)966-1388</a><br>
                              University of North Carolina at Chapel
                              Hill<br>
                              335 S. Columbia Street, CB# 7585<br>
                              Chapel Hill, NC 27599-7585<br>
                              e-mail: <a moz-do-not-send="true"
                                href="mailto:Barbara_Tysinger@unc.edu"
                                target="_blank">Barbara_Tysinger@unc.edu</a><br>
                              <br>
                              ......."Non pilus tam tenuis ut secari non
                              possit."-- St. Minutia......<br>
                              <br>
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