A really cool antique ‘Cher Souvenir’ pendant, converted from a brooch. 
Modelled in 18 carat gold, and inlaid with blue guilloche enamel which has been decorated with ‘Cher Souvenir’ in silver letters set with tiny diamonds. Cher Souvenir meaning a dear memory.
Weighs - 16.3g
Measures - 63mm including bail
53mm not including bail
X 16mm wide
English circa 1870 
Excellent condition