+49 40 50064660 info@constantin-coins.de
Constantin Coins
DE

Constantin Coins

Your Expert for Numismatics and Coins

Benefit from fair conditions, honest assessment and personal consultation directly on site.

Discover Our Services

Constantin Coins

Your Coin Dealer in Hamburg - Blankenese

Since 2019, we have been your trusted contact for coins and medals – whether you want to expand your collection or sell pieces. We advise you personally, discreetly, and with numismatic expertise. When selling, we guide you individually: direct purchase or consignment to our own auctions – together we find the best solution.

Constantin Coins Coin Shop

Our Services

Personal Guidance Every Step

Whether you want to sell coins or expand your collection – we'll find the best solution together.

We Buy Coins

Looking to sell coins? We offer free consultations and find the best approach – whether direct purchase or consignment to our auction.

  • Free initial assessment
  • Discreet handling
  • Fair market prices
Learn more

Buy Coins

Expand your collection with carefully selected pieces from our inventory – in our shop or through our auctions.

  • Verified quality
  • Authenticity guarantee
  • Personal consultation
Visit Shop

Auctions

Our auctions offer fair market prices – whether you want to consign or bid. The ideal way for special pieces.

  • Regular auctions
  • Worldwide participation
  • Attractive fees
View Auctions

Highlights from Past Auctions

Selected results from our auctions

All Auctions
Grossbritannien, Victoria 1837-1901, Crown 1847, London.27'000 EUR

Grossbritannien, Victoria 1837-1901, Crown 1847, London.

Prachtexemplar mit herrlicher Patina, winz. Kratzer, polierte Platte Im NGC Plastikholder mit der Bewertung PF 64 CAMEO (8583784-001)

View on Biddr

China, Provinz Kweichow, Dollar Jahr 17 (1928).11'000 EUR

China, Provinz Kweichow, Dollar Jahr 17 (1928).

Auto Dollar. L&M 609. Leicht gereinigt, sehr schön-vorzüglich Im NGC Plastikholder mit der Bewertung XF DETAILS CLEANED (8583784-002)

View on Biddr

Baden, Ludwig Wilhelm 1677-1707, Goldmedaille 19558'500 EUR

Baden, Ludwig Wilhelm 1677-1707, Goldmedaille 1955

Auf den 300. Geburtstag des Türkenlouis, 71,15 g, NGC PF 64 ULTRA CAMEO

View on Biddr

Polen, Stephan Bathory 1576-1586, Groschen 15807'500 EUR

Polen, Stephan Bathory 1576-1586, Groschen 1580

Kopicki 498 (R7), von großer Seltenheit, sehr schön-vorzüglich

View on Biddr

News & Knowledge

Insights into the world of numismatics