A counting-house handbill announcing the David Crockett loading for San Francisco. She made twenty-five Cape Horn passages and paid her owners every year - the steadiest earner of the fleet.

Maker: unattributed job printer
Date: c. 1860
Medium of the original: Chromolithographed clipper ship sailing card
Original held by: Wikimedia Commons
Credit: Wikimedia Commons · via Wikimedia Commons
Rights: Public domain, verified
Catalogue number: PA-01912

As chosen: 24 x 16 in, art print, classic frame
Picture	24 x 16 in
Outside size	25.6 x 17.6 in
Depth	0.9 in (22 mm)
Weight	[[REAL PROOF NEEDED: shipped weight per size and frame]]
Hanging	[[REAL PROOF NEEDED: hanging hardware Prodigi fits to this frame]]
Material	Enhanced matte art paper, 200 gsm; acrylic glazing
Made in	Charlotte, North Carolina, by Prodigi

Before a size goes on sale, the file is measured against it: pixels per inch at that size, how much of the picture a crop would lose, tone and sharpness. A size that fails is not offered, so there is nothing to choose wrong.

How the print check works

Sizes offered
Size	dpi	Grade	How it fits
12 x 8 in	441	Excellent	Trimmed 3.7%
18 x 12 in	294	Excellent	Trimmed 3.7%
24 x 16 in	220	Excellent	Trimmed 3.7%
30 x 20 in	176	Good	Trimmed 3.7%

Sizes withheld
Size	Why
10 x 8 in	Wrong shape: a 20% crop
14 x 11 in	Wrong shape: a 18% crop
16 x 12 in	Wrong shape: a 14% crop
20 x 16 in	Wrong shape: a 20% crop
24 x 18 in	Wrong shape: a 14% crop
30 x 24 in	Wrong shape: a 20% crop
36 x 24 in	147 dpi; a historical scan is never enlarged
40 x 30 in	Wrong shape: a 14% crop
48 x 36 in	Wrong shape: a 14% crop
60 x 40 in	88 dpi; a historical scan is never enlarged