Assertion: coin's design | /r/HasProperty | unique
Facets:
Source sentences:
text: Each challenge coin has a unique design that belongs to the organization it represents.
text: Each coin has a unique reverse design featuring an image emblematic of that spouse's life and work, as well as the words "The United States of America", "E Pluribus Unum", "$10", "1/2 oz.", and ".9999 Fine Gold".