Assertion: coin's grade | /r/HasProperty | seen with certified coins
Facets:
value: commonly
type: TEMPORAL
Source sentences:
text: Today, with uncertified coins, a dozen or so grades are commonly seen, however, with Certified coins, at least fifteen grades are regularly used just to assess the circulated coins, while a further ten grades are used to designate the Mintstate coins, giving a total of more than twenty-five grades.