SINCONA British Collection

  • Probably the most complete collection of British gold coins in private hands featuring a multitude of highly rare and numismatically extremely important coins and medals.

Proudly auctioned by SINCONA Swiss International Coin Auction AG in (estimated) five parts in the years 2021 to 2023.

SINCONA British Collection - British Numismatics at its Best

The love for the history of Great Britain and the Commonwealth laid the foundation for building a unique collection of highest numismatic interest and value. Over many decades and with great passion the collector gathered mainly gold coins and medals of the British Empire from the Celtic period to the modern times. 


Among them are numerous extremely rare or even unique pieces in mostly sensational states of preservation, and chances are high that one comes across important provenances that go back to the nineteenth century even.


We at SINCONA are honored and proud to offer this exceptional collection to the world of numismatists.


Please don't hesitate to contact us should you have any questions about the SINCONA British Collection, or if you would like to be notified as soon as the next part is cataloged and available for auction.

Highlights Part 1 (Auction 72, November 21, 2021, Zurich)

Los 536 - Edward IV. First Reign, 1461-1470. Noble n. d. (1464), Tower Mint. Heavy coinage. Mintmark rose Quatrefoil below sword arm. 6.97 g. Spink 1947. Fr. 130. Sehr selten / Very rare.


Price realized (not including buyer's premium): CHF 75'000

Los 556 - Henry VIII. 1509-1547. Sovereign n. d. (1544-1547), Southwark. Third coinage. Type IIb, small module. Mintmark S. 12.11 g. Spink 2291. Fr. 166. Sehr selten / Very rare.


Price realized (not including buyer's premium): CHF 140'000

Los 567 - Edward VI. 1547-1553. Pattern Half-Sovereign, Crown or Coronation Medal 1547. Crowned Tudor-Rose between E-R Rv. Inscription in four lines and year below. 27.4 mm. 4.63 g. Med. Ill. 55/3. WR 4. Von grösster Seltenheit / Of the highest rarity.


Price realized (not including buyer's premium): CHF 55'000

Los 576 - Elizabeth I. 1558-1603. Fine Sovereign n. d. (1584-1586), Tower Mint. Sixth issue. Mintmark escallop. 15.11 g. Spink 2529. Fr. 209. Selten, besonders in dieser Erhaltung / Rare, especially in this condition.


Price realized (not including buyer's premium): CHF 65'000

Los 578 - Elizabeth I. 1558-1603. Gold 1 Pound n. d. (1595-1598), Tower Mint. Sixth issue. Mintmark key over woolpack. 11.22 g. Spink 2534. Fr. 219 Selten / Rare.


Price realized (not including buyer's premium): CHF 190'000

Los 613 - Charles I. 1625-1649. Triple Unite 1643, Oxford. Tall narrow bust with scarf behind shoulder. Mintmark plume. 26.98 g. Spink 2726. Fr. 258. Sehr selten / Very rare.


Price realized (not including buyer's premium): CHF 235'000

Los 690 - William III. und Mary, 1689-1694. 5 Guineas 1692, London. QVARTO. Conjoined busts, with elephant and castle below. 41.73 g. Spink 3423. Bull 346. Fr. 300. Sehr selten / Very rare.


Price realized (not including buyer's premium): CHF 130'000

Los 723 - George I. 1714-1727. 5 Guineas 1717, London. TERTIO. Inverted D on edge. Laureate head. 41.79 g. Spink 3626. Bull 496. Fr. 325. Sehr selten, besonders in dieser Erhaltung / Very rare, especially in this condition.


Price realized (not including buyer's premium): CHF 230'000

Los 732 - George I. 1714-1727. Pattern Guinea 1727, London. Long hair laureate head, struck in high relief. By John Crocker. 8.41 g. WR 66. Bull 530. Von grösster Seltenheit / Of the highest rarity.


Price realized (not including buyer's premium): CHF 95'000

Los 768 - George III. 1760-1820. Pattern Guinea 1761, London. Young laureate head. By Richard Yeo. Plain edge. 8.06 g. WR 84. Bull 741. Sehr selten / Very rare


Price realized (not including buyer's premium): CHF 42'000

Los 815 - George III. 1760-1820. Proof Sovereign 1818, London. New coinage. Laureate head. Descending colon after BRITANNIAR. 8.02 g. Spink 3785A. WR 198. Fr. 371. Sehr selten / Very rare.


Price realized (not including buyer's premium): CHF 75'000

Los 849 - William IV. 1830-1837. 2 Mohurs 1835, Calcutta. Proof Restrike. 23.33 g. KM 452.1. Fr. 1592b. Sehr selten / Very rare.


Price realized (not including buyer's premium): CHF 100'000

Los 864 - Victoria, 1837-1901. Proof Crown 1853, London. SEPTIMO. Gothic type. Regular die axis. Spink 3884 var. Bull 2584.


Price realized (not including buyer's premium): CHF 50'000

Los 881 - Victoria, 1837-1901. Proof Sovereign 1887, London. Young large head. By. W. Wyon. Milled edge. 7.96 g. WR 332. Äusserst selten / Extremely rare.


Price realized (not including buyer's premium): CHF 60'000

Los 906 - George V. 1910-1936. 6 Pence 1924, London. Pattern in Gold. Bare head. 1 in reverse field. 2.88 g. Spink 4026. WR 430. Von grösster Seltenheit, nur 3-5 Exemplare bekannt / Of the highest rarity, only 3-5 pieces known.


Price realized (not including buyer's premium): CHF 30'000