Portugal Tostão "P-O", shield with 9 or 10 castles- João III, 1521 – 1540

1st type, Porto mint

Obverse Reverse

Information

Country Portugal
Currency Real (1517 – 1835)
Coin type Standard circulation coin
Denomination 1 Teston
Year 1521 – 1540
Ruler John III (João III) (1521–1557)
Composition Silver (.9167)
Shape Round (irregular)
Technique Hammered
Weight (g) 9.5
Diameter (mm) 30
Demonetized Yes

Mintage & Variants

Date Mintage Comment Frequency
ND (1521-1540) P-O AG# J3 107.01 ( 9 CASTLES ...GINN)
ND (1521-1540) P-O AG# J3 107.02 ( 9 CASTLES ...GINEE)
ND (1521-1540) P-O AG# J3 108.01 ( 9 CASTLES ... GINNEE)
ND (1521-1540) P-O AG# J3 109.01 ( 10 CASTLES ...GINNE)

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