Lot 30022 – AUSTRIA Folded lettersheets (3), all foreign going to Prussia, one with red ‘Aus Oestrreich’

1850-1851 FOREIGN GOING MAIL to PRUSSIA : 3 lettersheets franked 9Kr (2) and other one with 3Kr+6Kr, all to Prussia, all to Cottbus, ‘Aus Oesterreich’ noted 2x in black, one in red- with additional marking in red of boxed K.PR.POST=SPED.BUREAU DER WILHELMS-BAHN, fine and interesting