An Art Nouveau gold and pearl brooch, Russia, late 19th/early 20th century, designed as a stylised
An Art Nouveau gold and pearl brooch, Russia, late 19th/early 20th century, designed as a stylised flower set with a seed pearl, mounted in gold, length 3.6cm, Russian 56 zolotnik and St Petersburg city marks, assayer or workmaster mark ПT, pearl untested