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ID #SA1036980
FOR SALE
£125
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Mid-century Silver Celtic Art Industries Shield Brooch
For sale by AgAu Jewellery
for sale €146     $159
£125
AgAu Jewellery

AgAu Jewellery

Sellingantiques Verified Since Apr 2011
Browse dealers 285 items
  • About Us
    To pay with a credit/debit/amex card, applepay & layaways shop online www.agauewellery.com or telephone orders 01617061316 / 07356262506.
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Id #SA1036980
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Mid-century Silver Celtic Art Industries Shield Brooch

1940 - 1960
For Sale by AgAu Jewellery
Description

A superb Mid-Century Silver Celtic Art Industries Shield Brooch. The stunning brooch is an intricately set with a Celtic revival design. It’s a lovely looking item is in excellent condition. The brooch measures 3.0cm in diameter. the pin measure 3.0cm also the pin and the hinge on the brooch connecting the pin is secure and in excellent condition. The brooch is marked C.A.I and IONA, the C.A,I. mark relates to the Celtic Art Industries - which was set up by Hamish Dawson-Bowman in the 1950s with silversmiths John Hart, as well as MacCormack who was apprenticed to Alexander Ritchie. The total weight is 9.6 grams.

Metal: Sterling Silver.

Stone(s): n/a

Measurements: Brooch 3.0cm in diameter. Pin 3.0cm long

Hallmarks: Marked Sterling Silver

Maker/Age: C.A.I IONA c.1950's

Weight: 9.6g

Condition: Excellent condition

Date of Manufacture

AgAu Jewellery has dated this Silver Celtic Shield Brooch to the 1950s.

Independent Date Check ID 08258860
Dealer's Item Date1950s
Sellingantiques Date1950s
Sellingantiques agingItem 60-85 years old
Test ResultsPassed dating check
Why Sellingantiques dated this piece to THE 1950s:
Stamped maker's mark C.A.I: Celtic Art Industries workshop founded in the mid-1940s.
Reverse stamped STERLING and SCOTLAND: standard Scottish production mark of the period.
Roll-over safety barrel catch: mid-20th century brooch fastener.
Even darkening in the textured background: natural age tarnishing around the knotwork.

This is an independent date and photo anotation report compiled by Sellingantiques using its own proprietary system. The process uses the photographs shown on this page. The system is never told the date the dealer has declared. This report shows that the two dates corroborate.

Physical Dimensions
Height
3cm (1.18")
Width
3cm (1.18")
Depth
1.4cm (0.55")
Reference Numbers
Sellingantiques Reference
SA1036980
Dealers Internal Reference
AG2425
Dealers Notes

To locate this item on our website use the 'Internal Ref' below on agaujewellery.com where you can also view and/upgrade your packaging, pay using Credit/Debit card, PayPal, American Express, GooglePay and ApplePay

________________

All items are shipped using our standard of 5 working days, for express shipping please order on our website. EUROPEAN & WORLDWIDE CUSTOMERS ONLY: Please add £35 at the Stripe shipping option for European and £45 if you live anywhere else in the world. On international orders custom fees may be charged upfront before the item is shipped. If you have any questions concerning customs charges for your location please feel free to get in touch.

________________

We offer a 14 day return on all items as standard, by placing an order with Selling Antiques you accept our terms of sales & return policy agaujewellery.com/terms-and-conditions

Description
A superb Mid-Century Silver Celtic Art Industries Shield Brooch. The stunning brooch is an intricately set with a Celtic revival design. It’s a lovely looking item is in excellent condition. The brooch measures 3.0cm in diameter. the pin measure 3.
“
0cm also the pin and the hinge on the brooch connecting the pin is secure and in excellent condition.
AgAu Jewellery

The brooch is marked C.A.I and IONA, the C.A,I. mark relates to the Celtic Art Industries - which was set up by Hamish Dawson-Bowman in the 1950s with silversmiths John Hart, as well as MacCormack who was apprenticed to Alexander Ritchie. The total weight is 9.6 grams.

Metal: Sterling Silver.

Stone(s): n/a

Measurements: Brooch 3.0cm in diameter. Pin 3.0cm long

Hallmarks: Marked Sterling Silver

Maker/Age: C.A.I IONA c.1950's

Weight: 9.6g

Condition: Excellent condition

Date of Manufacture

AgAu Jewellery has dated this Silver Celtic Shield Brooch to the 1950s.

Independent Date Report ID 08258860
Dealer's Item Date1950s
Sellingantiques dating1950s
Sellingantiques agingItem 60-85 years old
Test ResultsPassed dating check
Why Sellingantiques dated this piece to the 1950s:
Stamped maker's mark C.A.I: Celtic Art Industries workshop founded in the mid-1940s.
Reverse stamped STERLING and SCOTLAND: standard Scottish production mark of the period.
Roll-over safety barrel catch: mid-20th century brooch fastener.
Even darkening in the textured background: natural age tarnishing around the knotwork.

This is an independent date report produced by Sellingantiques using its own proprietary system. The process uses the photographs shown on this page. The system is never told the date the dealer has declared. This report shows that the two dates corroborate.

Height
3cm (1.18")
Width
3cm (1.18")
Depth
1.4cm (0.55")
Reference Numbers
Sellingantiques Ref
SA1036980
Dealers Internal Ref
AG2425
AgAu Jewellery
AgAu Jewellery
Sellingantiques verified Since Apr 2011

To pay with a credit/debit/amex card, applepay & layaways shop online www.agauewellery.com or telephone orders 01617061316 / 07356262506.

Dealer Profile

You can view the stock and full dealer information on the AgAu Jewellery Profile Page

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A circular silver brooch featuring raised Celtic knotwork patterns against a textured oxidised background.
1 / 7
Archive I A circular silver brooch featuring raised Celtic knotwork patterns against a textured oxidised background.

Mid-century Silver Celtic Art Industries Shield Brooch

Archive II A circular silver brooch featuring raised Celtic knotwork patterns against a textured oxidised background. View II
Archive III A circular silver brooch featuring raised Celtic knotwork patterns against a textured oxidised background. View III
Archive IV A circular silver brooch featuring raised Celtic knotwork patterns against a textured oxidised background. View IV
Archive V A circular silver brooch featuring raised Celtic knotwork patterns against a textured oxidised background. View V
Archive VI A circular silver brooch featuring raised Celtic knotwork patterns against a textured oxidised background. View VI
Archive VII A circular silver brooch featuring raised Celtic knotwork patterns against a textured oxidised background. View VII
Enlarged Archival View
AgAu Jewellery

AgAu Jewellery
Telephone 01617 061316
Location
Stockport
Great Manchester
United Kingdom
Dealer Profile Page sellingantiques.co.uk/AgAu
Verified Since Apr 2011
Items For Sale 285
Items Sold 1,906
AgAu Jewellery
AgAu Jewellery
Verified Since Apr 2011
View Dealer Info
Location: Stockport, Great Manchester, United Kingdom
Profile: sellingantiques.co.uk/AgAu
Verified
Apr 2011
For Sale
285
Sold
1,906
A circular silver brooch featuring raised Celtic knotwork patterns against a textured oxidised background.
Mid-Century Silver Celtic Art Industries Shield Brooch
Ref: SA1036980
A circular silver brooch featuring raised Celtic knotwork patterns against a textured oxidised background.
Detail View 1
Detail View 2
Detail View 3
Detail View 4
Detail View 5
Detail View 6
Archival Detail

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Cataloguer’s note

Written by Sellingantiques from the dealer’s photographs and listing
  • ObjectBrooches
  • Period1940 - 1960
  • StyleCeltic Revival
  • MaterialSilver
  • ColourSilver
  • MotifsCeltic knotwork, Circular shield shape, Textured background, Relief carving
  • SizeH 3 cm (1 in) x W 3 cm (1 in) x D 1.4 cm (1 in)

This Celtic Art Industries shield brooch originates from the 1950 period, executed in the Celtic Revival style from sterling silver. The piece takes a circular shape, featuring raised silver Celtic knotwork patterns set against a dark, textured oxidised background within a raised plain circular border. The back reveals a secure metal pin and hinge measuring 3.0 cm long, alongside stamped manufacturer marks reading C.A.I and IONA, and a sterling silver hallmark, with a total weight of 9.6 grams. Measuring 3.0 cm high, 3.0 cm wide, and 1.4 cm deep, this brooch provides a compact accessory for fastening garments or displaying as a collector's item in a domestic setting.

FAQs

A Celtic shield brooch is a traditional circular pin inspired by early medieval British and Irish metalwork, featuring interlace knotwork and circular shield forms.

These brooches are typically crafted from silver or pewter, featuring relief cast metalwork combined with intentional surface oxidisation to accent the recessed patterns.

Authentic pieces frequently display maker marks such as CAI for Celtic Art Industries, silver purity hallmarks, and well-defined knotwork with original pin fittings.

A silver brooch can be pinned onto coat lapels, woollen scarves, heavy knitwear, or hatbands to provide a structured metallic accent.

Clean gently using a soft jewellery polishing cloth, avoiding chemical dips that could remove the deliberate dark oxidisation within the recessed knotwork.
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