Image 1 of 3 Image 2 of 3 Image 3 of 3 Large Feldpost Card: Nighttime View of FREDERICK THE GREAT Statue by the Staatsbibliothek in BERLIN, Germany!!! $10.00 Original German wartime feldpost card; measuring to be approximately 6” x 4.25” inches in size. Add To Cart Added! Original German wartime feldpost card; measuring to be approximately 6” x 4.25” inches in size.