U.S. Mint Sheets, 1925-1948, sheet files containing some better items, including 3 blocks of 36 with 2 plate blocks of 6 each, for 1¢ Lexington Concord; complete sheets of Vincennes, Massachusetts Bay, Charleston, S.C., von Steuben, Pulaski, Yorktown (4 sheets), Winter Olympics, Maryland, National Parks all with plate blocks, Overrun Countries 5 sheets with "KORPA" plate flaw, plus other pre-1950 3¢ & 5¢ sheets; fresh group, please inspect. Estimate  $300 - 400. $0