Auction # 2501 ARGENTINA: Special January auction

COMBINATION OF DIFFERENT RAILWAY LINES PO AND POST: Official entire letter sent from Junín to San Andrés de Giles on 21/SE/1875, with the marks "E. AMB. F. C. O. B. - 4 - 21/SE/1875", double circle datestamp of the post office of "CIUDAD DE MERCEDES 22/SEP" and on back double circle mark without date: "ESTAFETA AMBULANTE F.C.O. - 6", very fine quality!