Novocain Anaesthetic porcelain measure - Royal Worcester

A rare antique measure for Novocain anaesthetic, made in a footed conical form from fine porcelain, with the measure markings inside for levels of dosage from 1 to 3.
The outside edge of the flared rim is marked with the markers mark for Royal Worcester, England.
Dimensions:
4.7cm diameter 
3.5cm tall 
Condition:
In perfect condition with no damage and minimal wear.