Lot   Cat.#
Net Price
188 **   C4 var
1923, black surcharge 10m on 5m+5m yellow, black and light green, full original smooth gum variety, NH, VF, and rare, according to Estonian Specialized Cat. only one or two sheets with smooth gum were produced, expertized by R. Graeffe, A. Rucins and others

Stamp Auction #78, May 31, 2018. Raritan Stamp, Inc