The backstamp is Y2, which is 2001. These were as samples for the B & O Anniversary. There were only about a dozen made.
VINTAGE INDIAN TREE PATTERN STERLING CHINA PLATE 6.75"
VTG 1949 ATLANTIC COAST LINE RAILWAY Oval Dinner Serving Plate STERLING CHINA CO
Atlantic Coast Line Railroad Butter Pat 1946 Sterling China No Chips Or Cracks
Unique Vtg Sterling China Burlington Route "Way of the Zephyrs" Cup And Saucer
UPRR Union Pacific Railroad Winged Stream Liner 12” Serving Plate Sterling China