![](https://coimages.sciencemuseumgroup.org.uk/56/463/large_thumbnail_1999_1076.jpg)
`Melaware' plastic butter dish
circa 1960-1970
circa 1960-1970
circa 1960-1970
1962
circa 1960
1975
1964
1964
1972
1962
1968-1971
circa 1960
1979
1963
1966-1970
1967
1971
1962-1967
1968-1985
(1962); 1982
1970-1981
1960-1970
2000-100 BCE
1963-1984
circa 1960
1979-1985
1985
circa 1960
1969
1960-1979
1980-1985
1970-1979
1965-1975
1982
1965
1965-1975
1962
1979
circa 1983
1984
1983
1970-1984
1981
1977
1965-1968
1981
1970
1979-1985
1981
1976
1965-1971