Nagaland 1986 Queen's 60th Birthday imperf souvenir sheet (1ch value) with AMERIPEX opt in blue, set of 5 progressive proofs comprising single & various composite combinations unmounted mint
Nagaland 1986 Queen's 60th Birthday imperf souvenir sheet (1ch value) with AMERIPEX opt in blue, set of 5 progressive proofs comprising single & various composite combinations unmounted mint