Auction: 16USA - The Frederick R Mayer Collection of Costa Rica
Lot: 214
Revenue proof and specimen lot from the 1910-1947 period, 23 large die proofs and 35 specimen stamps affixed to 25 index cards, includes a couple proofs without the denomination tablet, fine-very fine; ex-American Bank Note Company archives. Estimate US$ 400-475
Sold for
$650