Error What are they really worth?

Ssshhhh

 

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I'm talking about , double denomination strikes or wrong planchet errors . These only can happen at the beginning of a run when they are changing dies . and should be caught . Though I should have said the type of errors in my post . I wrote a post that mentioned those errors in the post before and just continued my train of thought . You're right about errors that happen in the middle of the run though , unless they're caught in a routine check and stop the press , most will go through .

 

thanks for the correction

 

I think wrong planchet errors are the most valuable.

There's a guide in the back of The Red Book.

Ebay is a good source too, though. It'll tell you something is worth a couple bucks in the book but then it'll sell for multiples of that. Off center coins, for example. I'm pretty sure they generally sell for more than that book states.

Double strikes are my favorite and can also get quite expensive, depending on the coin. You can find nice dated ones for lincoln cents in the range of $25-35 though. Certain errors are extremely common, especially in earlier US coins, esp. die problems.

Stuff like that in the ancients can actually bring the value DOWN. Even double strikes.

 

Over-dates: Indian cent 1888/7