Taken from a highly regarded German book on Advertising from 1915, here is an individual article on Poster Stamps (Reklamemarken) and an English translation, and some very elegant stamps to illustrate it.
DieReklame Article Galandauer
Denmark - c1940s Poster Stamps sold to support the Børnehjælpsdagen (Children's Aid Day) movement. Supposedly sold in booklets, issued without gum, there is very little known about these stamps. Over 35 years I have seen fewer than 200 different designs, and no multiples. Each one has a number, 1 through 20, in a circle.
Dealers
Club Photograph Gallery
Frank Perschke, Art Groten, Ray Petersen, Bill Wieinberger
