10 bits (countermark type 4)

Photo of 10 bits (countermark type 4)
Photo of 10 bits (countermark type 4)
Country
Martinica
#KM 20
Shape Round with hole
Composition Silver
Weight
Diameter 39,00 mm
Edge
Year 1770
Value
Rarity

How much the coin?

Year Coins Mint UNC XF VF F VG G PR
1770