Assertion: coin's mint mark | /r/CapableOf | signal the rarity of the issue
Facets:
value: often
type: TEMPORAL
Source sentences:
text: These mint marks often signal the rarity of the issue, for example the Napoleon 20 franc gold coin struck in 1809 at Paris and marked with the letter "A" had an issue of 687,508 coins; in the same year at the mint at Bordeaux, marked with the letter "K" only 2,534 coins were struck; while the mint at Lille, marked with a "W" struck 16,911 coins.