Four two-handled frog mugs or loving cups

Four two-handled frog mugs or loving cups, 19th century, one printed in black with portraits of Queen Victoria and Prince Albert, another with an exterior scene of the Crystal Palace, one printed in purple with two Eastern figures, the foot inscribed 'Frederick Goldthorpe', the last with a stag, the reverse inscribed in gilt with 'J M Hancock 1859', three containing a large frog, one with two frogs and a newt, 20.5cm max. (4)