First available in 1885, the Special Delivery service was extremely popular. At first, the service was available from 7 a.m. to midnight. The following year, the hours changed from 7 a.m. to 7 p.m. The service was so successful that in 1886, every U.S. post office began to offer Special Delivery.
1922 10c. Violet. Delivery by Motorcycle
1925 20c. Black. Delivery by Van
1954 20c. Blue & 30c. Lake. Delivery by hand
Of the 23 stamps in this complete set, I have only the four above.
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