Portuguese Silver 240 Reis "Joao IV Countermark" 1643

Portugal 240 Reis (Joao IV Countermark) 240 coin obverse
Portugal 240 Reis (Joao IV Countermark)  coin reverse

Obverse
Counterstamp "Crowned 240" over "4 Reales"(½ Pataca) from Spain or America
Lettering: 240

Reverse
Arms

Extended information
Year
Denomination
Currency
Metal
Ruler
Weight
13 g.
Diameter
25 mm.
Shape
Round
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Year
Mintage
Prices per year/grade
Prices per year/grade
ND (1643) 
Mintage-
Value
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