Cover group, 1884-1977. Dozens of various covers including better; with C18 flight and other airmails, FDC's including 3 $5 Hamilton covers, one with plate block, 1977 13Ā¢ Motion Pictures signed by Robert Redford, 1931 Wilkins Ellsworth Trans Arctic Submarine Expedition cover, etc., worth inspection. EstimateĀ $400 - 600. $0