Los 6150
1937, Essay for President Kviesis issue line-engraved in blue with empty value tablet on carton paper (30x47mm), small note "1032 XII" at bottom, a very attractive and unique item
Reference: "Die Briefmarken in Lat-Währung 1923-1940", Harry v. Hofmann Verlag, page 219
Philatelia Baltica Nr. 97, page 5
