This is a enchanting dinner plate from the royal house of Oldenburg’s dinnerware service. Oldenburg was a Grand Duchy that was quite small in size. It fielded a limited military and had close ties to Prussia. The Grand Duke of Oldenburg married his daughter to one of Kaiser Wilhelm II’s sons. The plate measures 9″ in diameter. It has a sunken area in the center that I find quite interesting. The plate’s edge is rimmed in gold. Within that is a much thinner gold band. The gold trim on the plate’s edge shows substantial wear. The plate’s top presents Oldenburg’s very ornate Coat-of-Arms. Five or more colors are used in its display. The plate’s center features an interesting gold device, perhaps it is feathers. It also shows substantial wear. The reverse has no manufacturer’s markings, etc. While the plate is not in the best condition, its origins in a small state make it more of a rarity. It is a charming piece for you to contemplate.