Aus Russland marking on Russian mail - type RY6, found on the Breslau-Berlin and Bromberg-Berlin T.P.O.
Prussian postal authorities
between 1852 and 1872 <div style="display: none;">date QS:P,+1850-00-00T00:00:00Z/7,P1319,+1852-00-00T00:00:00Z/9,P1326,+1872-00-00T00:00:00Z/9</div>
Self-scanned