unused Block Larger Than four 1920, 1c-10p Universal Postal Union Congress (318-330), 1c-50c in unused panes of fifty, 1p-10p in unused blocks of twenty-five, some creasing affecting most denominations, perf. separations or hinge strengthening, few stamps on most blocks with label affixed to the reverse, generally fresh appearance and many fine-very fine, Scott retail $7,370.50