100 GUILDERS BACK TAG
The "Guilder" was the Dutch currency until the Netherlands switched to the Euro.
"10 or 100 Guilders back" promotion tag, front.
"10 or 100 Guilders back" promotion tag, rear. Note that it mentions other "Plantinga quality products": Plantinga Jenever (gin), Boeren Beerenburg, Bessenjenever (berry gin), Frambozen- (raspberry brandy) and Kersenbrandewijn (cherry brandy).