Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World, Part 2

Imperial Russia

The auction will start in __ days and __ hours

Start price: $1,500

Buyer's premium:

1906, stage proof of 5r in dark blue (frame only), size 44x48mm, printed on chalk-surfaced paper without gum, VF and extremely rare, Est. $3,000-$4,000, Scott #71