Lot 595
595
unused -- 25c. purple and magenta, type B, a lower left corner block of four, unmounted mint; also 25c. type A in an upper left corner block and 1921-37 50c. block of four and top corner pair with requisition "P"

Details
unused -- 25c. purple and magenta, type B, a lower left corner block of four, unmounted mint; also 25c. type A in an upper left corner block and 1921-37 50c. block of four and top corner pair with requisition "P"