SPODE Copeland WH Plummer Bone China Set 5 Cobalt Blue Gold Dinner Plates R4466. MAKER: WT Copeland’s Spode (date mark for 1913, I believe – it’s a bit hard to make out). William H Plummer, New York, Retailer Mark. PIECE NAME: Set Of 5 Dinner Plates. CONDITION: Light to moderate utensil marks but otherwise free of damage – no chips, cracks, crazing, etc. Please see all images and contact me with any questions. If you’re interested in browsing through thousands more of our eclectic, antique and vintage items please visit our store. Ishmael Ribar & Joe Cleinman. Listing and template services provided by inkFrog.