Dhufar 1986 Queen's 60th Birthday imperf souvenir sheet (2R value) with AMERIPEX opt in black, set of 5 progressive proofs comprising single & various composite combinations unmounted mint
Dhufar 1986 Queen's 60th Birthday imperf souvenir sheet (2R value) with AMERIPEX opt in black, set of 5 progressive proofs comprising single & various composite combinations unmounted mint