Great Britain 1883 1½d-1s Die Proofs, SG188/96.
A superb quality set of nine die proofs with void corner letters, printed in black on white glazed card cut to stamp size and mounted in a sunken frame (151x70mm).
A truly magnificent collection and philatelic showpiece.
Provenance: Ex De La Rue archives.
The SG Specialised Catalogue price is £14,200.