Staffa 1974 Steam Liners 15p (SS Suwa Maru 1914) set of 5 imperf progressive colour proofs comprising 3 individual colours (red, blue & yellow) plus 3 and all 4-colour composites unmounted mint
Staffa 1974 Steam Liners 15p (SS Suwa Maru 1914) set of 5 imperf progressive colour proofs comprising 3 individual colours (red, blue & yellow) plus 3 and all 4-colour composites unmounted mint