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For your questions and for cash purchases, you can reach us on ☎ +49 3329-6907021

About GP METALLUM

Last updated: 29 September 2026

Gerd Poskowski – Owner of GP METALLUM
Gerd Poskowski
Owner
Cornelia Poskowski – GP METALLUM
Cornelia Poskowski
Organisation & Back Office

GP METALLUM was founded by Gerd Poskowski in 2007 and has been continuously operated by him as its owner and the person responsible for the business. GP METALLUM has been a member of the Berufsverband des Deutschen Münzenfachhandels e.V. (Professional Association of German Coin Dealers) since April 2011 and has been listed there as a certified gold buyer since June 2015. Further information can be found on our page about the Professional Association of German Coin Dealers .

From the very beginning, Gerd Poskowski has been supported by his wife, Cornelia Poskowski. She has accompanied the development of GP METALLUM since its earliest days and is primarily responsible for organisational tasks and back-office activities.

GP METALLUM – since 2007

Personal accessibility, transparent processes and long-term relationships with our customers are essential elements of our work.

From 2008 to 2016, we also published our podcast “Abenteuer Geld”, featuring information and background on money, tangible assets and precious metals. Earlier episodes can be found in our “Abenteuer Geld” podcast archive .