Selection of two samples books of coloured casein bound in grey and plastic and marked with the Erinoid logo, c. 1960's Sample cards of coloured casein plastic buttons, c. 1950s. 1951-1961
Samples book, one of two, of coloured casein bound in grey and plastic and marked with the Erinoid logo, c. 1960's. 4 page book. Samples book 1951-1961
3 (three) sample cards of coloured casein bound in green and marked with the Erinoid Logo, c. 1950's Sample books of coloured casein plastic buttons 1951-1960