386. Auktion

1941, Security Banknote Co. Proofs, three Dario 10 c., all imperf. Bromide-photo proof in red and Bromides two, in issued and unissued designs, from printers archive, fine

1940, UPU Nicaragua - Sir Rowland Hill 5 c., bromide photo, proof of the Security Banknote Co., imperforated Contemporary Photograph, removed from the printers daily photographic record book, mounted on card, very fine