The Christmas Post Large Mug 2023 Limited Edition Wrendale Designs. Celebrate 10 years of Wrendale Designs with this limited edition fine bone china mug by Royal Worcester. Featuring a beautiful festive scene of woodland animals embellished with 22-carat gold detailing, this mug made especially for 2023 is a must-have for your collection. Packaged in a gift box, this festive mug would make the most perfect Christmas present. Capacity 400ml.