1950's ? Cast Iron Paper Weight "Buick Is Real Special", "Big News Is Buick"

Description

Sale is for a vintage cast iron paper weight advertising Buick, with messages on both sides as pictured.    Approximate dimensions 6-1/2" x 2-1/2" x 1/2"; weight about 1-1/2 pounds.  Some paint chips.
Internet sources indicate these were made to be used in news stands.
Believed to be from the 1950's but unconfirmed.   "Buick is real Special" may have been a reference to the Special series:  1936 1937 1938 1939 1940 1941 1942 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958.