Rights Holder: Somerset County Council
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Unique ID: DEV-F53C09
Object type certainty: Certain
Workflow
status: Awaiting validation
A Portuguese silver Tostao of John IV (AD 1640-1656), dating to AD 1642. Probably Lisbon mint.
Subsequent action after recording: Returned to finder
Broad period: POST MEDIEVAL
Period from: POST MEDIEVAL
Period to: POST MEDIEVAL
Date from: Exactly AD 1642
Date to: Exactly AD 1642
Quantity: 1
Weight: 6.41 g
Diameter: 25.8 mm
Date(s) of discovery: Sunday 17th September 2017 - Sunday 17th September 2017
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Other reference: SCC receipt: 019849
Primary material: Silver
Manufacture method: Struck or hammered
Completeness: Complete
Denomination: Tostão
Ruler/issuer: John IV of Portugal
Type: silver coin the post-medieval Kings of Portugal
Obverse description: Crowned shield of Portugal flanked by cross and possible Fleur-de-lis
Obverse inscription: [IOHA]NES IIII D G REX PORT[V]
Reverse description: Voided short cross potent, fleur-de-lis in top quarters, in bottom 16/42
Reverse inscription: IN[...]VINCE
Initial mark: Quatrefoil
Die axis measurement: 6 o'clock
No coin references available.
4 Figure: SX5458
Four figure Latitude: 50.40369021
Four figure longitude: -4.05582782
1:25K map: SX5458
1:10K map: SX58SW
Grid reference source: From finder
Unmasked grid reference accurate to a 10 metre square.
No references cited so far.