5c rose postal stationery envelope (H&G B13a) sent from BAHIA BLANCA (with return address on reverse) franked with additional 1892 2c green & 5c rose carmine (SG 179 & 181) tied by two strikes of boxed ESTAF. AMB. F.C.S. No. 41 cancel. Addressed to BOGOTA, COLOMBIA with BUENOS AIRES, ST THOMAS & PANAMA transit cds's and BOGOTA arrival cds all on reverse. Lovely cover.