Neurological stamp. Valeriana officinalis (garden heliotrope).
Haas
L F
LF
D003604:Czechoslovakia; D049669:History, 16th Century; D049670:History, 17th Century; D006801:Humans; D009422:Nervous System Diseases / Q000266:history* / Q000628:therapy; D010678:Philately; D010946:Plants, Medicinal; D014632:Valerian