Los-Nr. 551

March 1918 Registered cover sent from KAZAN 10 [ or possibly 18] 3 18 at an unclear rate of 1 ruble 20 kop, addressed to the Polish Committee of the Red Cross in Stockholm, opened in Moscow and a large wax seal (intact) applied on reverse and opened again by British censorship, with clear STOCKHOLM 27 8 18 receiver on reverse, nice small item