Royal Albert Provincial Flowers Prairie Crocus 20.5cm Plate c.1975 The Offical Flower of Manitoba Canada £12.00 Quantity: at £12.00 each 2 in stock. Royal Albert, Provincial Flowers Series, Prairie Crocus pattern English bone china 20.5cm plate. The Prairie Crocus is the official flower of Manitoba, Canada. A scallop rimmed plate with a chintz pattern and gold gilding. In excellent condition. Beautiful vintage fine bone china for your celebration tea table or to display.