Roman glass cinerarium from the 2nd-3rd century AD with a guide of £2000-4000 at Bishop & Miller.
Watson, who died earlier this year, was a teacher and headteacher for 30 years before becoming a dealer in the mid-1990s.
The late Brian Watson.
He exhibited at fairs including Olympia, The Decorative Antiques & Textiles Fair in Battersea, the NEC Art & Antiques For Everyone and Petworth Park Antiques Fair over the years and became a well-respected member of the trade.
He focused on 18th and 19th century drinking glasses but his collection and stock encompassed a much wider remit.
A c.1670 Façon de Venise wine coupe, probably Netherlands, estimate £1000-1500 at Bishop & Miller.
Across 222 lots at Bishop & Miller, 19 centuries of glass are represented in the Stowmarket auction from the Roman period to the mid-20th century including Venetian, Murano, Bohemian and English glass.
