Original U.S. Patent Model:
Calculating Machine by »C. Winter«, c. 1859
This unique piece is
one of only 4
pre U.S. Civil War calculating devices ever patented.
A truly superb item! A fascinating "Americana" collectible!
Estimate: € 30,000/40,000
US$ 40,500/54,000
Reserve: € 25,000/US$ 33,750
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