Experts at Heinrich Koehler

DIETER MICHELSON
Managing Director, Auctioneer, Member of the "Académie Européenne de Philatélie” (A.E.P.)

TOBIAS HUYLMANS
Managing Director, Auctioneer, professional philatelist since 2003, with Heinrich Koehler since 2007

MICHAEL HILBERTZ
Senior-Philatelist, Auctioneer, professional philatelist since 1987, with Heinrich Koehler since 1992

CLIFF SCHÖN
Philatelist, with Heinrich Koehler since 2019