https://digital.sciencehistory.org/works/ubq7qbs Alder Buckthorn (Rhamnus frangula) postage stamp, Yugoslavia http://creativecommons.org/publicdomain/mark/1.0/ Zlamalik, Matija, 1905-1965 1959 1959 postage stamp from Yugoslavia featuring an illustration of alder buckthorn (Rhamnus frangula). Its bark has a variety of uses. As early as the 2nd century AD, buckthorn was believed to protect against witchcraft, demons, and other forms of folk magic. The bark has also been used as a strong herbal laxative. Witco Stamp Collection 2.6 cm W x 3.6 cm H Yugoslavia Montenegrin Postage stamps Botanical illustration Medicinal plants Rhamnaceae image postage stamps https://digital.sciencehistory.org/downloads/deriv/hfscbvi/thumb_large_2X?disposition=inline https://digital.sciencehistory.org/works/ubq7qbs http://creativecommons.org/publicdomain/mark/1.0/ postage stamps https://digital.sciencehistory.org/downloads/deriv/hfscbvi/download_full?disposition=inline