IOW-193174: Medieval Rotary Key

Rights Holder: The Portable Antiquities Scheme
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KEY (LOCKING)

Unique ID: IOW-193174

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

An almost complete Medieval copper-alloy rotary key (c. 1200-c. 1500).

A small portion of the hollow end is missing.

The key has a lozenge-shaped openwork bow, a mainly solid shank and a complicated bit.

The bow, curved internally and externally, is flat on each face. On each face it is decorated with deep grooves roughly following the outline. These grooves appear to be worn. Between the bow and shank there is a double parallel collar. The closer collar to the bow is not very distinct. The shank flares in depth (but not in thickness) from the collar to the end where it is hollow to a depth of 6.5mm. The shank is flat at the top and bottom. The flat bottom is chamfered along the edges. The complicate bit has double wards and clefts and the wards are grooved on either side.

This key has a shiny mid to dark green patina with small areas of bright green active corrosion. The bow is very worn.

Length: 108.5mm; width: 35.0mm; thickness: 9.7mm. Weight: 67.48g.

Length of shank from collar: 63.8mm; maximum height of shank: c.9.0mm; maximum width of shank: 9.6mm.

Bow: length from collar: 41.6mm; width: 35.1mm; thickness: 6.6mm

Bit: length: 28.9mm; depth from below the shank: 16.1mm; width: 9.7mm.

Find of note status

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

Class: London type VI

Subsequent actions

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

Chronology

Broad period: MEDIEVAL
Period from: MEDIEVAL
Period to: MEDIEVAL
Date from: Circa AD 1200
Date to: Circa AD 1500

Dimensions and weight

Quantity: 1
Length: 108.5 mm
Width: 35 mm
Thickness: 9.7 mm
Weight: 67.48 g

Discovery dates

Date(s) of discovery: Sunday 8th March 2015 - Sunday 8th March 2015

Personal details

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Other reference numbers

Other reference: IOW2015-2-157

Materials and construction

Primary material: Copper alloy
Completeness: Complete

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: GPS (from the finder)
Unmasked grid reference accurate to a 1 metre square.

Discovery metadata

Method of discovery: Metal detector
Discovery circumstances: Club rally
Current location: Finder
General landuse: Grassland, Heathland
Specific landuse: Regularly improved

References cited

No references cited so far.

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Timeline of associated dates

Audit data

Recording Institution: IOW
Created: 9 years ago
Updated: 4 years ago

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