21-3/4\ x 27-3/4\ \Sea Otter, No. 28, Plate CXXXVII\ from \The Viviparous Quadrupeds of North America\, 1848. Hand-colored lithograph, printed and colored by J. T. Bowen, Philadelphia, 1848, matted and framed under glass in a gilded wood frame, overall 31-1/2\ x 37-3/8\. View and Bid on AspireAuctio