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ID #SA1244664
FOR SALE
£145
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A Chester Hallmarked 9ct Rose Gold & Opal Bar Brooch
For sale by Aion Jewellery
for sale €170     $184
£145
Aion Jewellery

Aion Jewellery

Sellingantiques Verified Since Oct 2026
Browse dealers 29 items
  • About Us
    Specialists in 19th and 20th century jewellery.
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Id #SA1244664
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A Chester Hallmarked 9ct Rose Gold & Opal Bar Brooch

1900 - 1920
For Sale by Aion Jewellery
Description

An exquisite 9ct rose gold bar brooch, assayed at the sought after Chester Office and dating from the reign of King George V. The body is embellished with wire-work tendrils and leaves and has a central oval cabochon of blue green opal, designed in the Art Nouveau taste. The pin is secured with a 'C' clasp. A delicate and lovely piece to enhance any outfit. Dimensions below.

Postage and packing £12.00 UK

£20.00 Europe

£28.00 Outside Europe

Condition :- Excellent, with no breaks, splits or losses.

Date :- Chester 1918.

Hallmarks :- Fully marked and stamped 375.

Height :- 0.5 cm.

Width :- 4 cm.

Date of Manufacture

Aion Jewellery has dated this Rose Gold Opal Brooch to the 1920s.

Physical Dimensions
Height
0.5cm (0.20")
Width
4cm (1.57")
Depth
0.5cm (0.20")
Reference Numbers
Sellingantiques Reference
SA1244664
Dealers Internal Reference
AJ77
Dealers Notes

Payment by BANK TRANSFER (preferred), DEBIT/CREDIT CARD or PAYPAL. Great care is taken with packing and only 'signed for or tracked' postal options are used, where available. In the UK, Royal Mail Special Delivery is used, which is both fully insured against loss or damage and guaranteed next day (excluding weekends). If an item goes missing, or is damaged in the post, all available assistance will be offered to make a claim against the provider. Loss or damage in transit, is NOT the responsibility of the seller.

IMPORTANT PLEASE NOTE. Due to the imposition by some countries of an import tariff - an additional charge may be required to prepay tax duty. Please be aware of this if purchasing from overseas. If this additional charge is not acceptable, please do not proceed with the purchase.

Returns are accepted if the item has undisclosed damage at point of sale, or has been seriously mis-described. Buyer pays all costs. If you are not certain that you will be completely happy with the item, please do not purchase it. Care has been taken to ensure that items are accurately described and photographed - if any further information is required please ask.

PLEASE CONTACT ME TO PROVIDE CARD DETAILS OR REQUEST BANK DETAILS. PLEASE ADD POSTAGE FOR PAYPAL AND PRESS PAYPAL OPTION. If there is anything more we can do to help, please ask. We would like your experience with us to be a happy one and will always try to be accommodating.

Thank you for your interest.

Description
An exquisite 9ct rose gold bar brooch, assayed at the sought after Chester Office and dating from the reign of King George V.
“
The body is embellished with wire-work tendrils and leaves and has a central oval cabochon of blue green opal, designed in the Art Nouveau taste.
Aion Jewellery

The pin is secured with a 'C' clasp. A delicate and lovely piece to enhance any outfit. Dimensions below.

fig 1. A 9ct rose gold bar brooch featuring a central cabochon opal flanked by scrollwork and leaf motifs.
fig 1. A Chester Hallmarked 9ct Rose Gold & Opal Bar Brooch

Postage and packing £12.00 UK

£20.00 Europe

£28.00 Outside Europe

Condition :- Excellent, with no breaks, splits or losses.

Date :- Chester 1918.

Hallmarks :- Fully marked and stamped 375.

Height :- 0.5 cm.

Width :- 4 cm.

Date of Manufacture

Aion Jewellery has dated this Rose Gold Opal Brooch to the 1920s.

Height
0.5cm (0.20")
Width
4cm (1.57")
Depth
0.5cm (0.20")
Reference Numbers
Sellingantiques Ref
SA1244664
Dealers Internal Ref
AJ77
Aion Jewellery
Aion Jewellery
Sellingantiques verified Since Oct 2026

Specialists in 19th and 20th century jewellery.

Dealer Profile

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

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A 9ct rose gold bar brooch featuring a central cabochon opal flanked by scrollwork and leaf motifs.
1 / 6
Archive I A 9ct rose gold bar brooch featuring a central cabochon opal flanked by scrollwork and leaf motifs.

A Chester Hallmarked 9ct Rose Gold & Opal Bar Brooch

Archive II A 9ct rose gold bar brooch featuring a central cabochon opal flanked by scrollwork and leaf motifs. View II
Archive III A 9ct rose gold bar brooch featuring a central cabochon opal flanked by scrollwork and leaf motifs. View III
Archive IV A 9ct rose gold bar brooch featuring a central cabochon opal flanked by scrollwork and leaf motifs. View IV
Archive V A 9ct rose gold bar brooch featuring a central cabochon opal flanked by scrollwork and leaf motifs. View V
Archive VI A 9ct rose gold bar brooch featuring a central cabochon opal flanked by scrollwork and leaf motifs. View VI
Enlarged Archival View
Aion Jewellery

Aion Jewellery
Telephone 07711 373683 or 07833 300488
Location
Suffolk
United Kingdom
Dealer Profile Page sellingantiques.co.uk/aionjewellery
Verified Since Oct 2026
Items For Sale 29
Items Sold 3
Aion Jewellery
Aion Jewellery
Verified Since Oct 2026
View Dealer Info
Location: Suffolk, United Kingdom
Profile: sellingantiques.co.uk/aionjewellery
Verified
Oct 2026
For Sale
29
Sold
3
A 9ct rose gold bar brooch featuring a central cabochon opal flanked by scrollwork and leaf motifs.
A Chester hallmarked 9ct rose gold & opal bar brooch
Ref: SA1244664
A 9ct rose gold bar brooch featuring a central cabochon opal flanked by scrollwork and leaf motifs.
Detail View 1
Detail View 2
Detail View 3
Detail View 4
Detail View 5
Archival Detail

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Cataloguer’s note

Written by Sellingantiques from the dealer’s photographs and listing
  • ObjectBrooches
  • Period1900 - 1920
  • StyleEdwardian
  • MaterialRose Gold, Opal
  • ColourRose Gold, Blue
  • MotifsFoliate leaves, Cabochon setting, Scrollwork bar
  • SizeH 0.5 cm (0 in) x W 4 cm (2 in) x D 0.5 cm (0 in)

A 9ct rose gold bar brooch from the Edwardian period, styled in the Art Nouveau taste with English Country House charm, is assayed at the Chester office and dated 1918. The piece is formed from rose gold metal with a polished finish and a rosy copper hue, centring on an oval cabochon opal displaying vivid blue and green flashes. Visible details include a pin secured with a 'C' clasp, foliate leaf motifs flanking the centre, and scrolling wire-work tendrils along the bar. Measuring 0.5 cm high, 4 cm wide, and 0.5 cm deep, this item functions as a wearable accessory for daily attire, decorative fastenings on garments, or traditional lapel decoration in a modern wardrobe. The brooch can be worn on jackets, scarves, or tailored coats, bringing period elegance to contemporary outfits.

FAQs

A bar brooch is a linear decorative pin featuring a horizontal bar, often embellished with gemstones or foliate motifs, popular from the late Victorian through the Art Deco eras.

Antique bar brooches were frequently constructed from 9ct, 15ct, or 18ct rose or yellow gold and set with natural gemstones such as opals, sapphires, or seed pearls.

Authentic Chester hallmarked items feature a distinct town mark depicting three wheat sheaves and a sword, alongside a gold purity mark such as 375 for 9ct gold and a date letter.

An antique bar brooch can be pinned to the lapel of a tailored blazer, attached to a silk scarf, or placed on the collar of a button-down shirt for a classic subtle accent.

Opals require gentle care due to their natural water content; clean the brooch using a soft dry cloth, avoiding harsh chemical cleaners, liquids, or ultrasonic tanks.
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