Bovril started making Virol Bone Marrow experimentally in 1899 at their London factory and by 1900 it went into commercial production.
Virol was a nutritious supplement made from ox rib and calf bone marrow.
At first it was sold in chemist shops in the England and in 1913 it was taken to the USA and promoted widely by doctors. Production continued until the 1940’s.
These are quite rare in the larger size.
No chips or cracks present.
Size - 15cm