One button of white guilloché and green enamel, old-cut diamond, yellow gold, maker's mark (Michael Perchin), numbered, one brooch of blue guilloché and white enamel, old-cut diamond, 14k yellow gold (Russian marks), maker's mark (August Hollming), numbered, one brooch of blue guilloché enamel, rose-cut diamond, 14k yellow and rose gold (Russian marks), maker's mark (August Hollming), all circa 1900, unsigned

Size/Dimensions: white guilloché and green enamel button 3.5 x 3.5 cm (1³⁄₈ x 1³⁄₈ in), blue guilloché and white enamel brooch 2.0 x 1.9 cm (³⁄₄ x ³⁄₄ in), blue guilloché enamel brooch 3.2 x 1.8 cm (1¹⁄₄ x ⁵⁄₈ in)
Gross Weight: white guilloché and green enamel button 19.1 grams, blue guilloché and white enamel brooch 7.8 grams, blue guilloché enamel brooch 10.0 grams