Netherlands WWII Submarine Hr Ms K-XVIII Cover Tristan da Cunha Argentina 111649

  
MiF (Mischfrankatur / Mixed franking of different stamp issues). Original cover from the Dutch submarine Hr. K-XVIII while on its demonstration voyage to the Dutch East Indies and area -- with this cover bearing Tristan da Cunha cachet and special cancel for the K-XVIII's visit to Buenos Aires Argentina.

A bit worn and toned, as per scans, but rare. The K-XVIII saw action in WWII, sinking several Japanese boats. All items are absolutely guaranteed genuine as described. We are members of the American Philatelic Society (APS), are rated A+ by the USA Better Business Bureau, and have been a Colorado corporation (dba Gothic Stamps, Inc) since 1995.