Bidspirit auction | Imperial Russia - Stamps and

Imperial Russia - Stamps and Postal History - 1906, Nicholas II, Louis E. Mouchon engraved perforated (L13) proof (essay) in green with face to the right, value tablet blank, printed on wove paper, stamp size 20x25.5mm, no gum as issued, VF and very rare, Est. $2,000-$2,500