Bidspirit auction | Imperial Russia - Stamps and

Imperial Russia - Stamps and Postal History - 1908, two plate proofs of 10k in blue or light blue, perforation 14½x15, printed on wove paper without varnish lines, each stamp with 3 instead of 2 lines of inner oval and with top ribbon curls different from an issued stamp, both with no gum as produced, VF and rare, Est. $2,000-$2,500, Scott #79