Running from May 4-18 at the showroom in Edenbridge, Kent, it incorporates brands such as Chanel, Dior, Vivienne Westwood and Oscar de la Renta.
Also on offer are archives of 1950s-60s Parisian fashion illustrations, New York Art Deco photography and a collection of vintage fashion.
Dealer Chrissie Masters, who founded the firm with her husband John 21 years ago, got her start as a fashion and beauty editor and stylist at publications such as Cosmopolitan and Marie Claire.
She says: “We have sold thousands of pieces during the 17 years we ran the shop in Westerham and for over four years at our Starborough Farm showroom and warehouse.
“I will probably never own those amazing, statement designs again - it is the hard part of being a dealer - but it also drives me to source dramatic, collectors’ items for our clients.”
The 3000sq ft showroom is open Wednesday to Saturday, 10am-5pm, and otherwise by appointment.