Great Britain 1873 3d die proof Plate 15, SG143var.
A very fine cut to size example printed in black on white glazed card with void corner squares, mounted on part De La Rue striking book page with manuscript annotations "Oct 22nd" & "15-435".
A spectacular and unique printer's die proof.
Provenance: Ex. De La Rue Archives.
SG Catalogue Value: From £2,000.
