**offensive answer removed **
This question still needs an answer.
50-100 or so
$11,000
They sell on Ebay for $50.00 to $60.00
nothing
50
Priceless :)
A keystone. PA was named the Keystone state as it was in the middle of the 13 colonies, much like a keystone in an arch or doorway. It's the stone at the top, middle of the arch which holds the arch in place. If the keystone is removed, the arch topples.
Gee, those things are antiques! And they are pretty rare, id say youd get one for about 2000 dollars at an antique auction.
More information is needed. e.g. model, condition, caliber, etc.
The value of any machine depends on it's condition. Only a licensed, professional appraiser can give you an accurate answer and they have to see the machine.
keystone
The address of the Keystone Town Library is: 1101 Madill Street, Keystone, 57751 0689