includes mint envelopes: 20LU16, 20LU33, 20LU34, 20LU35, 20LU38, and 20LU44 (2); used envelopes: 20LU13, 20LU14, 20LU22, 20LU33, 20LU34 (2), 20LU35, 20LU37 (2), 20LU38 (3), 20LU43, and 20LU44 (3); additionally 20LUX4 with manuscript "Cancelled" (faults) and 20LUX9 mint, as well as two pre-cancelled stationery envelopes with saw-tooth oval handstamp, some faults to be expected but generally fine to very fine or better, a wonderful group which would be difficult to duplicate