To the back it has the impressed Mintons mark, and the Minton mark of a circle within a square which dates it to 1877, number 12, an arrow and hand written numbers. When you look closely you can see its hand painted and see the brush strokes which i've tried to show with close up photos.

Brand: Minton
Type: Collector Plate
Era: Victorian (1837-1900)
Year Manufactured: 1877
Material: Ceramic
Production Style: Art Pottery
Time Period Manufactured: 1850-1899
Backstamp: Painted
Production Technique: Pottery
Culture: British
Colour: Multicoloured
Vintage: Yes