136013 1878-79 2D PL.15 IMPERFORATE PLATE PROOF TRIAL FOR LIGHTER AND MORE FUGITIVE COLOURS IN PALE ULTRAMARINE (DP50b).

1878-79 2D PL.15 IMPERFORATE PLATE PROOF TRIAL FOR LIGHTER AND MORE FUGITIVE COLOURS IN PALE ULTRAMARINE (DP50b). A good to fine imperforate 1878-79 2d pl.15 plate proof trial for lighter and more fugitive colours on watermarked paper in pale ultramarine (Spec DP50b). Four close to large margins, small scissor cut into design at lower left but a most attractive and rare proof. (Ref 136013).