154Prussia. Frederick William IV, 1840–1861.
Gold medal in the weight of 50 ducats
commemorating the publication of the second volume
of Alexander von Humboldt’s *Kosmos*.
NGC MS 65 PL.
From the estate of Emperor William I.Estimate: 40.000 Euro

166Prussia. Frederick William IV, 1840–1861.
Gold medal in the weight of 50 ducats commemorating
the unveiling of the equestrian statue of
Frederick the Great on Unter den Linden in Berlin in 1851.
NGC MS 63 PL.
From the estate of Emperor William I.Estimate: 25.000 Euro

191Prussia. William I, 1861–1888.
General’s Medal in the weight of 120 ducats, 1871,
commemorating the victory over France.
A magnificent specimen.
From the estate of Emperor William I.Estimate: 75.000 Euro

297Russia. Nicholas I, 1825–1855. Family ruble.
1 1/2 rubles (10 zlotys), 1835, St. Petersburg.
NGC MS 64 (Top Pop).
Only 36 examples struck.
A cabinet piece from polished dies.
From the estate of King Frederick William IV.Estimate: 250.000 Euro

1098Holland. Province.
5 ducats, 1681.
Struck with the dies of a guilder.
NGC PF 64 Cameo.
Proof.Estimate: 40.000 Euro

1192HRE. Ferdinand II, 1592–1618–1637.
5 ducats, 1634, Vienna.
Extremely rare.
Extremely fine-uncirculated.Estimate: 10.000 Euro

1266HRE. Vienna.
Salvator Medal in the weight of 12 ducats,
n. d.(around 1840).
NGC PF 61 CAMEO.
Proof.Estimate: 15.000 Euro

1334City of Regensburg.
5 ducats, n. d. (1708–1710),
with the title of Joseph I. NGC MS 64.
Extremely rare. According to mint records,
only 7 copies struck.
A magnificent piece.Estimate: 25.000 Euro

1602German New Guinea.
10 New Guinea Marks, 1895 A.
NGC MS 65.
A magnificent piece.Estimate: 50.000 Euro

2757Saxony.
John Frederick the Magnanimous and
Maurice, 1541–1547.
Trinity Medal, 1544.
A masterpiece of German medal art. Magnificent,
excellent craftsmanship.Estimate: 75.000 Euro

Archive: People and Markets

There are many ways of transporting gold. But you should never save on security measures. Source: Jazella / Pixabay

How Not To Handle a Gold Transport

Nearly a million euros worth of gold coins were transported in a carrier van to a precious metals dealer without any security measures. No prizes for guessing whether or not they actually got there. A lawsuit in Bavaria reveals how this could happen.

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Numisstaxx offers various models for collectors, dealers and mints.

Numisstaxx: The Launch of a New Innovative Platform

The new platform Numisstaxx aims to allow its users to easily digitalize and share coins and create certificates of authenticity in a forgery-proof environment.

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CIT’s Mt. Everest – First Ascent

70 years ago two mountaineers were the first men to reach the summit of Mount Everest. To commemorate this event, CIT has minted two silver coins with Ultra High Relief and further features.

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A New Member to Join the SINCONA Team: Michael Otto

The SINCONA team is excited to welcome a new member. As of 1 January 2025, Michael Otto is working at the SINCONA Group’s headquarters in Zurich. He is looking forward to taking over the position as Head of Numismatics.

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Archive: Coins, Medals and more

Christian IV. 4 Speciedaler 1624, Kopenhagen. From Auction Künker 408 (18.-19. June 2024), No. 14. Background: Christian IV of Denmark and Norway. Bust at Rosenborg Castle / Copenhagen. Photo: UK.

400 Years Ago – The Founding of Kongsberg

On 2 May 1624, Christian IV of Denmark and Norway founded the mining town of Kongsberg. A series of coins to be offered in the upcoming Künker sale tells us of the hopes that the ruler placed in the silver from these mines.
Railway tunnel under Surami pass near the village Tsipa, Chkherimela valley, Georgia 2014. Image: Karel61 via Wikimedia Commons / CC BY-SA 4.0. In front: Silver medal commemorating the opening of the Suram Tunnel in 1890 by L. Steinman. Künker auction 408, No. 234.

For Railroad Fans: The Suram Tunnel

Railroad history is linked to numismatics in many ways. Fascinating large-scale projects were often celebrated with medals and commemorative coins. Our example takes us to Georgia: A medal that will be offered for auction by Künker commemorates the opening of the Suram Tunnel.
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