Shade card of coloured casein samples
Shade card of coloured erinoid casein. The card contains 27 circular samples in various colours. The card is printed 'BP chemicals' in the bottom left, and the B.P. logo in the bottom right.
2 (two) shade cards of coloured casein samples marked with B.P. logo, probably late 1960's
Shade card of coloured erinoid casein. The card contains 27 circular samples in various colours. The card is printed 'BP chemicals' in the bottom left, and the B.P. logo in the bottom right.
Shade card of coloured erinoid casein. The card contains 40 circular samples in various colours. The card is printed 'BP chemicals' in the bottom left, and the B.P. logo in the bottom right.