Russia lot two letters.The envelope sent on 21.5.1867 from Russia franked 10K Mi: 2 stamps perf:14 3/4 x 15 via Poland to Austria on the back arrival AUSG 22.5.The second envelope was sent on 3. October 1858 from Riga. franked 10K Mi: 2 stamp perf:14 3/4 x 15 arrival. 11/ October.