I don't know what they are, but they did't polish like the rest of the tray. International silver.
Railroad Silver Dining UNION PACIFIC LARGE SILVER SERVING TRAY-OVERLAND ROUTE
Railroad Silver Dining Union Pacific Overland Route Oval Platter 8 x 11"
UP Union Pacific Railroad Silver Dining Car Bowl
UP Union Pacific Railroad Silver Dining Car Fork B
UP Union Pacific Railroad Silver Dining Car Teaspoon
UP Union Pacific Railroad Silver Dining Car Table Spoon
