Postage Stamps
Russia 1857 10k brown stamp valued at up to $70,000 in New York
The Russia 1857 10k brown stamp is one of very few mint specimens in existence
1857-58 Imperial 10k stamp valued at $26,500 in Feldman auction
One of a scarce few original gum examples of the 1857-58 Russian Imperial 10k stamp headlines
1857 10k Poland cover highlights Dr Kossoy Collection at $9,500
The 1857 cover featured a 10k stamp from the Russian occupation of Poland
