Fabergé hen in pale pink agate, with cabochon cut ruby eyes and gold legs and claws. Commissioned by King Edward VII, 1907 (the Sandringham Commission).

A Fabergé carved stone capercaillie, with its head outstretched, carved in brown agate, with rose diamond eyes and gold feet. Mark of Henrik Wigström, c. 1907. Presumably acquired by King Edward VII and Queen Alexandra.

This large-scale Fabergé model of a cockerel uses obsidian to great effect - like most of the birds fitted with gold feet it was made in Henrik Wigström's workshop. Other materials: purpurine, jasper, rose diamonds. Commissioned by King Edward VII, 1907 (the Sandringham Commission); bought by Queen Alexandra from Fabergé's London branch, 1909, (£113 10s.).

Fabergé model Norfolk Black turkey. The black obsidian perfectly captures the full body and feathers of the bird and is combined with the purpurine, lapis lazuli and rose diamonds to represent the head of the bird. Commissioned by King Edward VII, 1907 (the Sandringham Commission); bought by the Prince of Wales (later King George V) from Fabergé's London branch, 1909, (£55); presented to Queen Alexandra on her birthday, 1 December 1909.