Auction: 16USA - The Frederick R Mayer Collection of Costa Rica
Lot: 57
#1, 1863 1/2r Blue, fine single, spectacularly tied to a November 24, 1871 folded letter from Esparta to San Jose by bold boxed ""Esparza"" postmark (ESP-Pmk1) which was typically used in the stampless period, very faint edge toning around stamp and small bit reverse of folded letter removed, otherwise most attractive and very fine; not only is this sole interior usage from Esparta known bearing stamps, but it also one of the most striking Medio Real covers extan Estimate US$ 1,000-1,200
Sold for
$11,000