15 000,00€

THE EARLIEST COVER WITH A RATE MARKING STRUCK IN THE AMERICAS 30 July 1774: Entire letter from Buenos Aires to Seville, showing "Bs.AIR.s." and framed rate "4Rs." handstamps, both applied in bluish green, charged on arrival with brown "4R." postmark. The "4Rs." marking denoted the fee to be paid by the recipient, which corresponded to the single postage. The earliest cover recorded exhibiting a rate handstamp struck in the Americas. Ex Sitjà