Priced catalogue of the 1856 to 1872 issues of Mexico (1917)
Phillips, Charles J. (Charles James), 1863-1940, Stanley Gibbons Publications Ltd · London : Stanley Gibbons, Ltd. · leaf 75
ISSUE OF 1872. 71 … The second watermark is in paper of French manufacture, and is as illustrated above. These initials, etc., stand for La Croix Freres. " > . . ..... ■ . . Stamps with portions of one of these letters or of the cross are some four or five times as rare as stamps with the first-mentioned watermark.…
Postage stamps
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
