Auction # 2419 WORLDWIDE + ARGENTINA: Special May auction

5/DE/1978 Melchior base (Argentine Antarctica) - Port Stanley - Buenos Aires: Cover sent from Melchior base to a person in "Romera Base, B.A.T.", via Port Stantley, it was first carried to Buenos Aires on icebreaker General San Martín in MAR/1979, and from there to the Falklands, received on 21/JUL/1979 with Declaración Conjunta mark. It bears an arrival? mark of "ROTHERA POINT, ADELAIDE ISLAND" for 1/DE/1979, it was returned to sender and it received another "Declaración Conjunta" mark on 27/DE, excellent quality, very interesting!