This pecimen has "M" rather than "MIllesimo" for "1000" in the date, like earlier coins but unlike those from 1402 on; this
piece is perhaps the only such coin known!
1970.156.325http://numismatics.org/collection/1970.156.325mb_physical,osm,imperiumobjecthttp://numismatics.org/search/id/https://numismatics.org/themes/mantisdisplaypk.eyJ1IjoiYmhpaWJuZXIiLCJhIjoiY2xlZWZqZmJjMGdheDNwcW1qaHM2MWZ4cSJ9.oR2ZyKdE7BYKzQkjiotNSghttp://numismatics.org/search/manifest/1970.156.325American Numismatic Society