Gladstone Montrose Milk Jug & Sugar Bowl c.1950s Duck Egg Floral Vintage Bone China £18.00 Quantity: at £18.00 each 1 in stock. Gladstone Montrose Duck Egg, Green and White Floral Pattern. Gladstone Montrose pattern vintage bone china milk jug and sugar bowl. c.1950s A border of white flowers and dark green foliage on a duck egg background and gold gilded rims. Half Pint Milk Jug & Sugar Bowl 11cm wide x 7.5cm tall. Made by Gladstone China, High Street, Longton, Staffordshire, England.c.1950s A little bit of wear to the gold gilding otherwise in excellent condition.