A vintage Viners of Sheffield Alpha Plate chased silver-plated twin-handled serving tray. 

• It is made from Alpha Plate, Viners' highest grade of silver plate. 
• The tray features elaborate foliate and latticework engraving, also known as a chased design. 
• It typically dates from the mid-20th century, likely the 1950s or 1960s. 
• The underside is often stamped with "Granted The Cutlers Company 1936 – Alpha Plate – Viners of Sheffield – England – Chased".