IOW-9B670D: Post-Medieval Coin: Portuguese Tostão, probably of João III or Sebastião I

Rights Holder: The Portable Antiquities Scheme
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COIN

Unique ID: IOW-9B670D

Object type certainty: Certain
Workflow status: Awaiting validation Find awaiting validation

A complete, worn and revalued post-Medieval Potuguese silver tostão probably of João III (1521-1557) or Sebastião I (1557-1578), counterstamped with the figure '120'. This was a revaluation of existing circulating coins in February 1642 under João IV ('O Restaurador', 1640-1656), by which the silver was increased by 20%.

Obverse: [ ]GAIS (probably); Crowned square shield, illegible letter to left, letter (possibly B) below trefoill to right

Reverse: [ ]NO (or G)[ ]; Voided cross potent with possible symbols in angles. Counterstamped with figure '120' in one angle

Diameter: 28.1mm. Weight: 6.83g

Find of note status

This is a find of note and has been designated: County / local importance

Subsequent actions

Current location of find: finder
Subsequent action after recording: Returned to finder

Chronology

Broad period: POST MEDIEVAL
Subperiod from: Early
Period from: POST MEDIEVAL
Subperiod to: Early
Period to: POST MEDIEVAL
Date from: Exactly AD 1521
Date to: Exactly AD 1578

Dimensions and weight

Quantity: 1
Weight: 6.83 g
Diameter: 28.1 mm

Discovery dates

Date(s) of discovery: Sunday 3rd May 2015 - Sunday 3rd May 2015

Personal details

This information is restricted for your access level.

Other reference numbers

Other reference: IOW2015-5-45

Materials and construction

Primary material: Silver
Manufacture method: Struck or hammered
Completeness: Complete

Coin data (numismatics)

Denomination: Tostão
Ruler/issuer: John III of Portugal
Type: silver coin the post-medieval Kings of Portugal
Obverse description: Crowned square shield, illegible letter to left, letter (possibly B) below trefoill to right
Obverse inscription: [ ]GAIS (probably)
Reverse description: Voided cross potent with possible symbols in angles. Counterstamped with figure '120' in one angle
Reverse inscription: [ ]NO (or G)[ ]
Degree of wear: Extremely worn: poor

Coin references

No coin references available.

Spatial metadata

Region: South East (European Region)
County or Unitary authority: Isle of Wight (Unitary Authority)
District: Isle of Wight (Unitary Authority)
To be known as: Isle of Wight

Spatial coordinates


Grid reference source: Generated from computer mapping software
Unmasked grid reference accurate to a 1 metre square.

Discovery metadata

Method of discovery: Metal detector
Discovery circumstances: Cub rally
Current location: finder
General landuse: Cultivated land
Specific landuse: Operations to a depth greater than 0.25m

References cited

No references cited so far.

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Timeline of associated dates

Audit data

Recording Institution: IOW
Created: 7 years ago
Updated: 7 years ago

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