COMOROS ISLANDS (1977) Concorde*. Zeppelin*. Stamp on stamp*. Scott No 284. Yvert No PA136. Nice error: double overprint in red, one being reversed. **. Hard to find!
AVAILABLE AT $50
COMOROS ISLANDS (1977) Concorde*. Zeppelin*. Stamp on stamp*. Scott No 284. Yvert No PA136. Nice error: double overprint in silver and gold, one being reversed. Disturbed gum. Note that silver ovpt appears black on the scan.
AVAILABLE AT $50