Sinclairs Antiques and Interiors has dated this piece to the Victorian era.
In excellent condition with only marks etc in line with age and use. The specimens are largely in great condition, some have the odd bit of damage as you would expect however still a very interesting collection.

Labelled WATKINS AND DONCASTER NATURALIST 36 STRAND LONDON
In 1879 Watkins moved his business to 36 The Strand, London where he formed a partnership with Arthur Doncaster unfortunately this only lasted until 1880 when William Watkins left to continue independently.
Sinclairs Antiques and Interiors has dated this piece to the Victorian era.
A family run business , second generation of antique dealers est 1977 with 3 warehouses over 6000 sq ft
You can view the stock and full dealer information on the Sinclairs Antiques and Interiors Profile Page