Lot of 4 Proof Sets in Original Envelopes (3 Unopened) 1961, 1962, 1963 & 1964

  

Lot of 4 Proof Sets in Original Envelopes 1961, 1962, 1963 & 1964. The 1962, 1963, and 1964 are unopened. Note the 1962 has some minor damage to the back of the envelope (looks like caused by cigarette ashes).

It affects only the envelope. You can see the card inside, and it is unaffected.