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Message:: [QUOTE="kanga, post: 1377461, member: 9270"]"Would a die inclusion produce multiple coins with the same "error" or "issue" that are identical ..."It could if the item causing the mark on the coin stuck to the die AND didn't move around.In general this would be unusual. "... or would the inclusion move from strike to strike so it wouldn't produce multiple identical errors?"This is more likely BUT still unusual. Most likely is that the item would move around but only affect a few coins, often only one.This depends upon the nature of the item.A thread from a wiping cloth would not last lomg on the die.A piece of wire from a brush could last much longer since it could easily embed itself into the die. The key as to whether it is a die crack or a die inclusion is the nature of the mark.A die crack would result in a "ridge" (raised) on a coin.A die inclusion would result in a "scratch" (gouge) on a coin. Where it gets a bit hairy is when the inclusion is a piece of wire.While it's present on the die it produces the "scratch" on a coin.BUTWhen it falls off it may also leave a "scratch" on the die.After that the die will leave a "ridge" on a coin.At this point the diagnosis as to whether it's caused by a crack or inclusion depends upon the appearance of the mark.Cracks tend to be erratic but inclusions, particularly caused by a wire, tends to be rather linear.[/QUOTE]