1945. Registered, express letter airmailed to an address in Switzerland bearing a single franking of 70 k orange of Dr. A. Pavelich definitives, tied by ”ZAGREB 1 / 15 / 12.IV.45”, all three corresponding labels alongside, at reverse ”ZURICH 1, EILZUSTELLUNG 21.IV.45”. An extraordinarily late usage as Partisan and Soviet forces had overrun Croatia and World War II was comming to an end.