Austria. (Netherlands). Circa 1850. Folded letter sheet addressed to Amsterdam bearing Yvert 4, 6k brown and Yvert 5, 9k blue tied by Wien date stamp with hand-struck 'France', charged '6 1/2 silbergrosen' in blue ink on reverse (for German transit) and Oberhausan/ Bahnhof transit '27/3' with Amsterdam arrival in red on reverse.