Digby Antiques (Wiltshire) has dated this piece to the Victorian era.
The gold edging to the pages is in super condition as is the plaque to the front, the metal edgings and the fastening.

The inside front and back covers are lined in silk and velvet which is also in super condition.
A contemporary inscription dated 1856, I did find a Henrietta Vane Hope Vere in the peerage in an online reference.
H 12.7 cm
W 8 cm
D 3.5 cm
Digby Antiques (Wiltshire) has dated this piece to the Victorian era.
You can view the stock and full dealer information on the Digby Antiques (Wiltshire) Profile Page