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GB.ISLANDS - ISLE OF MAN IMPERF PROOF SHEETLETS. 2008 90th Anniversary of the End of World War I complete set as imperf sheetlets of 6 stamps, as SG 1460/1465. Ex B.D.T. Printers Archive on unwatermarked, gummed paper, never hinged mint. Rare, possibly unique (6 imperf sheetlets of 6 = 36 proofs).