A collection of eight egg pendants, Russia, late 19th/early 20th century, comprising: one egg

A collection of eight egg pendants, Russia, late 19th/early 20th century, comprising: one egg pendant in gold with a chased finish, length 1.6cm excluding larger bail; and seven in silver, including one applied with red guilloché enamel with the initials XB in reserve, one in blue guilloché enamel and one in pink guilloché enamel, one in white guilloché enamel with a painted enamel design of forget-me-nots and the initials XB, one in blue guilloché enamel with a painted enamel design of roses, and two accented with blue enamels and also initialled XB, largest 2.3cm including bail, all with partial assay marks