Four porcelain toy seals 18th/19th century

Four porcelain toy seals 18th/19th century, two Derby and modelled as a a shepherd with his dog and a seated shepherdess, after Chelsea, another a pair of billing doves, the last a figure of a Classical maiden, the Derby with metal mounts and hardstone uncut seals, and a hardstone intaglio engraved with a figure, minor faults, 3cm max. (5)