Swiss 1/2 franc 1850-1851 KM#8 coin value

The image of this coin is simply an example of Switzerland 1/2 franc 1850-1851 type coinage.
Cost approximate and valid for common coin only (without rare varieties).
I do not buy or sell coins - this is just a catalog.

Swiss Confederation (since 1848)
Currency - Franc=100 rappen
Type - circulation coins
Composition - Silver 0.900
Diameter - 18.2 mm.
Weight - 2.5 grams
Alignment - Coin (180°)
Years of coinage - 1850, 1851
Mint mark - A (Paris)
Obverse:
Coin value within wreath
Legend: 1/2 FR. Year
Reverse:
Seated Helvetia
Legend: HELVETIA
Edge: Reeded
Krause catalog number - KM#8
Coin value in "F" - 50-80 USD