A UCTIONS & S TORE I TEMS. Are a must for the serious collector.SPECIALIZING in RARE & EXCEPTIONAL MATERIAL. Be sure to take advantage of our. MAY 1, 1929 first day postmarks tying the Nebraska overprints stamps with appropriate markings and receivers on the reverse on this Royce A. See scan(s) for additional details. This item is in the category "Stamps\United States\Covers\FDCs (pre-1951)\Pre-1930". The seller is "andrew2u" and is located in this country: US. This item can be shipped to North, South, or Latin America, all countries in Europe, all countries in continental Asia.