Of course, there's no way to know exactly what was going through the mind of the person who made these marks but I understand that some coins were defaced and then used as weights. Does that explanation work here? Anyone have any theories on why you'd spend time marking up a coin, other than boredom? The damage appears ancient. The face of Faustina wasn't targeted so it probably wasn't personal. Thoughts? Also, let's see your anciently defaced coins! 12.75 grams.