Neurological stamp. Humulus lupulus (hop).
Haas
L F
LF
D001515:Beer / Q000266:history; D049668:History, 15th Century; D049669:History, 16th Century; D049670:History, 17th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049691:History, Medieval; D010678:Philately / Q000266:history; D010946:Plants, Medicinal; D015022:Yugoslavia