With out doing any research, my guesses would be
Mules - Washington quarter obverse on Sac dollar comes to mind.
Wrong planchets - seems like I have heard of gold $2.50 planchets
with Indian Head cent. I have seen dime planchets
cents.
And
Multiple strikes
Mules - Washington quarter obverse on Sac dollar comes to mind.
Wrong planchets - seems like I have heard of gold $2.50 planchets
with Indian Head cent. I have seen dime planchets
cents.
And
Multiple strikes


















