Three English enamel patch boxes 2nd half 18th century

Three English enamel patch boxes 2nd half 18th century, one rectangular and decorated in grisaille on a blue ground, titled 'A small Token of Friendship', one oval and inscribed 'Love constitutes the Value', one circular and decorated with Faith as a Classical maiden resting against a titled pillar, the base yellow, some faults, 4.5cm max. (3)