"OLYMPIADE AMSTERDAM STADION MCMXXVIII", special pentagonal cancellation tying 2 c., 3c., 5 c., 7 c. and 12½ c. to registered cover to Port au Prince, Haiti, reverse transit "NEW YORK REG´Y.DIV 8 14 1928" and arrival cds. "PORT AU PRINCE 23 AOU 28", some usual light transportation marks, fine and very scarce destination
