Description
- Scott Catalog # : 2511a and 5936a / Artcraft First Day Cover.
- Hard To Find Joint Issue!
- Blocks Includes: Includes: 2508 : 5933 Killer Whale / 2509 : 5934 Northern Sea Lion / 2510 : 5935 Sea Otter and 2511 / 5936 Common Dolphin.
- Envelope is a #10 size.
- IS IN MINT, UNADDRESSED CONDITION.