United States & Worldwide Philatelic Literature

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Machine Cancels — Handbooks
Morris, Reg & Payne, Robert J. GROTH-CONSTANTINE, THE MACHINES AND POSTAL MARKINGS ATTRIBUTED TO WILLIAM GROTH AND THOMAS S. CONSTANTINE. Published 1989. LL. 95 p. Shows machines, cancels, postal markings. New York PO 1st & 2nd, Washington PO trial period. Classifies types/w value guide. Text of official documents. MCS study #2.
Literature #9476 | Price: $15.00 | Sale Price: $12.75