Here is a fine original antique 1810 William Miller/George Perry shell motif aquatint engraving for your bidding consideration.  Title: Trigona (plate 51) 

The frame measures 19" x 24".
Archivally, museum-quality, framed in ultraviolet filtering museum glass, in pH-neutral ragboard by Kenyon Oppenheimer (now Joel Oppenheimer) Galleries.

Original plate from the book Conchology (or, The Natural History of Shells: Containing a New Arrangement of the Genera and Species) Re: published book=>
[[London: Printed for William Miller, 1810. Folio (16 6/8 x 11 inches). Half title. 4-page Introduction, text leaves watermarked "W. Turner & Son". 61 exceptionally fine aquatint plates of shells with original hand-colour by John Clarke mostly after Perry, watermarked J. Whatman 1806 and 1810, and J. Whatman W. Balston 1808.  THE FIRST PUBLISHED WORK ON SHELLS TO BE ILLUSTRATED WITH AQUATINT PLATES First edition, with the last page of the text beneath "Remarks" for the first plate printed in 15 lines, and the Index leaf at the end printed by Bulmer; and early issue with plates watermarked between 1806 and 1810.]]