Touch of Time Antiques has dated this piece to the 1910s.
Made in England, in Sheffield, in 1911, by the Frank Cobb silver workshop.

Marked on both the working part of the cake slice and the cuffs of both items.
Dimensions: cake slice – length – 30 cm, width – 6 cm. Fork – length – 23 cm, width – 5 cm.
Condition: excellent. The items have clearly never been used, making it a perfect gift choice.
Touch of Time Antiques has dated this piece to the 1910s.
You can view the stock and full dealer information on the Touch of Time Antiques Profile Page