Proof Block of Four -- , a marginal imperforate plate proof block of four, in blue on unwatermarked wove paper; two vertical creases, otherwise fine. | Christie's

拍品 1426

1426

Proof Block of Four -- , a marginal imperforate plate proof block of four, in blue on unwatermarked wove paper; two vertical creases, otherwise fine.

细节

Proof Block of Four -- , a marginal imperforate plate proof block of four, in blue on unwatermarked wove paper; two vertical creases, otherwise fine.