Lot 30016 – Monaco: 1963 1F group incl. two sunken die proofs

Monaco: 1963 1F group incl. two sunken die proofs in black (one endorsed “1st state” with less engraving on face) and five imperf. colour trials (light brown; light brown & red-brown; red; red, grey-black and light brown; and purple-brown, light brown & red)