Circa 1940's, 50's, 60's and early 70's, 50 different MNH plate blocks of 4 or 6 stamps, never hinged unused US mint stamps. Mail in Early and a couple of Airmail and Mr. Zip issues also included.If you order more than one lot you will get nearly exact duplicate.
Images are of the actual plate blocks next buyer will receive (except 1st picture that shows my inventory holder. Tray not included.).
Tracking info will be provided. Flat shipping fee no matter how many lots you purchase.