Our Development

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Our Development

From a start-up company to an international successful group of companies

Our Development

1984

Christoph Gärtner founds Handelshaus Gärtner ashis first company. The focus is on coil stamps and stamp booklets. Later, postal stationeries and a wide range of motifs follow.

1986

The Sindelfingen stamp exhibition is the first event in which Christoph Gärtner participates as a dealer.

1989

Gärtner more and more specializes in covers as coveted philatelic gems. At Philexfrance in Paris, he has his own booth at a World Stamp Exhibition for the first time.

1991

At Phila Nippon in Japan, Gärtner presents his first fixed price catalog comprising worldwide postal history. Since then, the company has been represented at important exhibitions all around the world.

1995

Collections and bulk lots constitutea new, vital part of the portfolio.

1984 - 2000

The company becomes one of the world's leading mail-order house for postal stationery and a specialist in thematics and postal history.

2004

Auktionshaus Gärtner is founded. The first sod for the new corporate domicile is turned.

2005

Handelshaus Gärtner and Auktionshaus Gärtner merge to form the 2,700m² headquarters of the C.G. Group.

2006

Christoph Gärtner conducts his first international auction.

2011

The portfolio is extended by numismatics.

2014

Auktionshaus  Pumpenmeier in Kirchlengern is taken over.

2015

Gärtner acquires the auction houses Edgar Mohrmann in Hamburg and Rauss & Fuchs in Stuttgart as well as the complete inventory of the long-standing Detlef Hilmer company.

The new banknote division is established.

2016

Former Auktionshaus Schwanke (renamed Auction Galleries Hamburg) joins the Gärtner family. The Auktionshaus Mohrmann company moves to the Kontorhaus district, the headquarters of Auction Galleries Hamburg. These two companies form the Kompetenz-Zentrum for philately in the North.

In May, Gärtner, as “Official Auctioneer of the World Stamp Show in New York”, auctions off exceptional rarities.

2018

Gärtner launches Kompetenz-Zentrum West in Düsseldorf.

2019

Handelshaus Gärtner opens an additional location for wholesale and retail in Bietigheim-Bissingen with 5,000m2 of storage area.

Currently, C.G. Group has more than 70 members of staff in Germany. The team is complemented by several cooperation partners throughout Europe, the U.S., South America, Asia, and Australia.

2020

Rauss & Fuchs GmbH moves to the Bietigheim-Bissingen headquarters.