What a GREAT coin @Bing ! That is really cool. I kinda feel someone got innovative during the day, and clipped all the teeth (perhaps on SEVERAL serrated coins), to steal some silver. Since many coins already were round, they felt that they could put another round one into circulation. Cool! My serrated: RR L Licinius Crassus Cn Domitius Ahenobarbus 118 BCE NARBO Serrated Attic Helmet Gallic Biga Sear 158 Craw 282/3 RR C Mamilius 82 BCE AR Den Serrate Mercury caduceus Ulysses Dog Argos Sear 282 Craw 362/1 LOL, the one above is WHY I am up at 2:45am... MY dog woke me to go for a walk! Better that, than me finding a surprise when I wake in the morning...