1906-21 commemoratives and other issues to 20p (San Martin), 84 different plate proofs on card, neatly arranged on specially designed presentation pages in album (cover and binding defects) prepared for the Pan-American Congress, some toning, mostly fine-v.f. (Image)

Est.US$500

1940-55 specialized collection of 108 proofs or imperfs in different colors including 1948-49 Cartographers Issue, 1949 World Rifle Association, 1951 Five-Year Plan, National Airways, also semi-postal air mails including 1950 International Philatelic Exhibition, v.f. and interesting collection, neatly mounted and written up on pages, with issued stamps enclosed for comparison (Cat No. C38/CB5P) (Image)

Est.US$1,500