NIGER (1972) Coins*. Trial color plate proofs in strip of 5 with multicolor. West African Monetary Union. Scott No 258, Yvert No 262. Not easy to find!
AVAILABLE AT $80
MONACO (1976) Honoré II 2-gros coin*. Trial color proofs in strip of 5. Scott No 1040, Yvert No 1069.
AVAILABLE AT $80