Great Britain 1941-42 2.5d light ultramarine corner block of 6 with cyl 206 dot (S46) mounted mint
Great Britain 1941-42 2.5d light ultramarine corner block of 6 with cyl 206 dot (S46) mounted mint
Great Britain 1941-42 2.5d light ultramarine corner block of 6 with cyl 206 dot (S46) mounted mint