A very large and fine quality Victorian sterling silver gilt vinaigrette maker's mark of JB for John Batson (or possibly Jane Brownett) and retail mark of Asprey, hallmarked London 1872.
 
Rectangular form with rounded corners, engraved decoration in the Gothic style and set with a ring of coral beads, pierced and gilt grill.
 
2" (5cm) long, 1.5 troy oz (48g).