Oman 1986 Royal Wedding imperf souvenir sheet (2r) the set of 5 progressive proofs, comprising single colour, 2-colour, two x 3-colour combinations plus completed design, (5 proofs) unmounted mint
Oman 1986 Royal Wedding imperf souvenir sheet (2r) the set of 5 progressive proofs, comprising single colour, 2-colour, two x 3-colour combinations plus completed design, (5 proofs) unmounted mint