Assertion: coin's appearance | /r/HasProperty | natural
Facets:
Source sentences:
text: Proper storage will not only help a coin retain its natural appearance and numismatic value, but also will ensure that world coins cherished today will be around for future generations to admire, collect and enjoy.
text: Cleaning a coin not only alters its natural appearance, but it can also remove a tiny layer of metal from the surface of the coin — forever ruining it.
text: Proper storage will not only help a coin retain its natural appearance and numismatic value, but also will ensure that world coins cherished today will be around for future generations to admire, collect and enjoy.