A late 17th century German parcelgilt beaker and cover

A late 17th century German parcelgilt beaker and cover, on ball feet, with a fruit finial and a crimped rim, the cover and sides embossed and chased with a variety of flowers, makers mark a monogram 'IBR', 'BIR'??, Dessan 1660-1670, 6.1in (15.4cm) high, 9oz, (struck also with 19th century marks).