Antique Victorian Era Enamel Brooch Vintage 1800s Trombone Clasp

Fancy enamel brooch with trombone clasp Circa mid to late 1800s decorated with red, orange, yellow and brown enamel The enamel has kind of a sparkle to it, except for the yellow enamel Measures about 1.3" across Unmarked, unsigned Note - there is a chip to the enamel - see bottom of picture 1