Netherlands 1899 - NVPH 77 with overprint "Ultramar"

NVPH 77 B with overprint "ultramar".

The stamps provided by the Dutch Postal Service to the U.P.U. were normally furnished with the overprint "specimen". Some foreign postal administrations (namely those of the Portuguese colonies), however, used the overprint "ultramar".

With certificate from Vleeming: "Stamp with overprint ultramar and perforation genuine, gum original and mint. Stamp originating from the Angola archive. Gum yellowed with a few red and black spots, otherwise no defects".

Sent by registered mail.