An absolutely captivating series of innovative op art images, superbly printed in bright, bold, flat areas of colour, on matte card.
This series is from the Advertising section of the Penrose Annual 1971 in an Advertisment for Crosfield Electronics. Late 1960’s – early 1970s graphic design at its classic best I think.
“A British electronics imaging company founded by John Crosfield (1915 – 2012) to produce process imaging devices for the print industry. The firm was notable for its innovation. The firm was eventually taken over by Fujifilm Japan and named Fujifilm Electronic Imaging, now FFEI Ltd. following a management buy-out in 2008” (Wikipedia)