RARE FIND! Vintage Blue Danube 12" Oval Serving Platter (1951-1976)

This platter is marked with the original Blue Danube in script on a ribbon banner with the words Reg. US. Pat. Off. underneath identifying it as circa 1951-1976 and making it more valuable and collectable. Blue Danube used a rectangular backstamp from 1977 to 2000, and a 50th anniversary backstamp was used in 2001. See the difference in the stamp on other listing which justifies the price differential. It measures 12 inches long and 9 inches wide. Perfect condition - no chips.