1887, two die proofs in black for Revenue stamps, first one on glazed card, showing frame only, size 71x97mm, the other one is complete design with value tablet blank on thin rough paper, size 90x47mm, both mounted on one page from a Collection, VF and scarce

200.00

1891, Admiral Guillermo Brown, large die proof of 20p in bluish green, printed on sunken die card with official oval seal at the bottom, mounted on page from a Collection, mostly VF and rare

250.00

1899, "Argentina and Arms", six die proofs of 5c in various colors, printed on panes of india paper, approximate size 48x56mm, control number "490" below the design, mounted on page from a Collection, fresh, VF

250.00

1910, Centenary of the Republic, 63 imperforated trial color proofs, printed on india paper, mounted on six pages from a Collection, fresh, VF and rare assembly
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2, 3, 4, 5, 6

Air Post stamps

1937, In Honor of Jean Mermoz, 10c red, unissued stamp printed on watermarked "Sun" paper, block of six (3x2), mounted on page from a Collection, minor toning, part of OG, VF

200.00

1940, Mercury and Airplanes, 110 perforated and imperforated trial color proofs in singles, pairs and blocks of four, printed on glazed paper, neatly displayed on six pages from a Collection, VF
Click the numbers below to see additional pages:
2, 3, 4, 5, 6