Asprey & Co Ltd, London 1934 stamped patent number 257529, also stamped MADE IN ENGLAND — ASPREY: a 9 carat gold patented sprung book mark

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Estimate: £500–£600 hammer ≈ $661–$793
Result
Performance
Sale: Bonhams — Silver and Objects of Vertu, Online, London, Knightsbridge · 13 May 2025
Record ID: TB-2026-095008
Record: first seen 20 Jul 2026 · updated 20 Jul 2026 · source ↗
Cite this record: TB-2026-095008 — https://thebasis.art/cite/TB-2026-095008

Asprey: A 9 Carat Gold Patented Sprung Book Mark, Asprey & Co Ltd, London 1934 stamped patent number 257529, also stamped MADE IN ENGLAND. Bonhams, 13 May 2025, lot 29. bought in (did not sell). TheBasis.Art, TB-2026-095008.

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Asprey: A 9 Carat Gold Patented Sprung Book Mark, Asprey & Co Ltd, London 1934 stamped patent number 257529, also stamped MADE IN ENGLAND. Bonhams, 13 May 2025, lot 29. bought in (did not sell). TheBasis.Art, TB-2026-095008.

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From the same sale Silver and Objects of Vertu · May 2025

Lot	Artist	Estimate
Fabergé, workmaster Stefan Väkevä, St Petersburg circa 1890, with Est…	A Russian Silver Cream Jug	£2,600–£3,500
A Victorian Five Pound gold coin mounted as charm	—	£2,600–£3,000
apparently unmarked	A 19th Century Continental Gold, Hardstone And Milk Glass Mounted Scent Bottle	£700–£900
Asprey & Co Ltd, London 2003	Asprey: A Silver-mounted Purple Stained Crocodile Cigar Box	£3,000–£5,000
William Comyns, London 1906	An Edwardian Silver And Tortoiseshell Clock	£800–£1,200
Cohen & Charles, with import marks for London 1913, also engraved re…	A Cased Pair Of Silver-gilt And Guilloche Enamelled Covered Pots	£2,500–£3,000

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A George III Silver Coffee Pot	by Daniel Pontifex, London, 1799		Bonhams, Mar 2021
A Victorian Silver Salver	maker's mark rubbed, possibly for Henry Wilkinson, London 18		Bonhams, Oct 2023
A Collection Of Silver Items	various makers and dates		Bonhams, Jun 2026
A George II Silver Lidded Tankard	W.M. Looker, London, 1721,		Bonhams, Oct 2025
A Collection Of Silver Items	A collection of silver items (5)		Bonhams, Mar 2020

The closest sold results by price, artist, and medium — the appraiser's comp set, generated from the corpus. All figures converted to USD at current reference rates.