Huge Collection of 400 Artmaster FDCs, postmarked between 1946 and 1987. The majority are postmarked between 1948 and 1979. Similar covers will have differences in the style or orientation of postmark big postmark vs small postmark, 2 postmarks vertically vs. Every cover is a plate block!A few are combos, or booklet panes with numbered selvage. A mix of unaddressed and addressed. Thanks for visiting Sonshine Stamps! The item "FDC Lot of 400 ARTMASTER Cachet Collection 1946-1987 ALL PLATE BLOCKS No Dups" is in sale since Monday, October 1, 2018. This item is in the category "Stamps\United States\Covers\FDCs (1951-Now)\1981-90". The seller is "sandymommy3769" and is located in Cincinnati, Ohio. This item can be shipped to United States.