A white porcelain plate with a slightly indented gilt rim, as used on the royal yachts. There is a thin blue line around the edge. The maker's mark is indistinctly impressed on the base with the painted pattern number '5300' and a date code. The retailer's mark is a printed garter badge with a queen's crown above, inscribed 'J. WHITMAN COWES ROYAL YACHT'. There are 21 similar items in the collections AA5434-AAA5454.