Milk Marketing Board
noun
(In the United Kingdom) (the name of) a statutory body founded in 1933 to operate the Milk Marketing Scheme (provided for under the 1931 Agricultural Act), which regulated the production and distribution of milk and dairy products, and fixed their prices, replaced in 1994 by the privatized Milk Marque; a similar body elsewhere; abbreviated MMB.
Origin
1930s; earliest use found in The Times.