It's one of the 3 varieties sites I use . First one is Coneca . http://varietyvista.com/ Then there's Wexler . http://doubleddie.com/228401.html...
here's the rpm for the 56 . http://varietyvista.com/02a%20LC%20RPMs%20Vol%201/1956DRPM001.htm
whats it weigh ?
Those stars are doubled . What do the letters of the outer devices, look like for doubling ?
This is the one I think it is . Coppercoins only shows images of a MDS and yours looks like a early die state ....
How about a image of the RICA of AMERICA . With the " I " in AMERICA, being level .
how about a image of the date and mint-mark together . Make sure the mint-mark is straight on level .
20 to 28 bucks a piece .
large.
Here's a couple of improper annealed quarters . [ATTACH][ATTACH] [ATTACH][ATTACH]
Looks like it was a encased cent, at one time .
https://www.pcgs.com/prices/priceguidedetail.aspx?ms=1&pr=1&sp=1&c=748&title=sacagawea+dollar
Separate names with a comma.