Assertion: unicorn's horn | /r/HasProperty | purchased at apothecary
Facets:
value: as universal antidotes
type: MANNER
value: until the 18th century
type: TEMPORAL
Source sentences:
text: Seen as one of the most valuable assets that a person could possess, unicorn horns were given as diplomatic gifts, and chips and dust from them could be purchased at apothecaries as universal antidotes until the 18th century.