An unusual retailer antique Masons jug in coloured willow

A super antique ironstone "coloured willow' or “gaudy willow” jug, made in the 19th century, in England by Masons potteries c1840-60 and comes in a popular pattern, a Chinese themed and stylised landscape with buildings and foliage, in black, dark red, burnt orange with some green accents , it's medium an unusual size at 4'high, I've seen large versions of this jug but never one this size, it's creamer size, very cute and although used is in good condition with only mild wear and has no damage, the handle is of a snake design with a human head, quite a famous design from Masons , to retailer the underside is the correct mark for maker and time period, ready for display.