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.