P01958 MULTI-CHANNEL PROTOTYPE 1970
Screenprint (proof), printed at Advanced Graphics, published by Petersburg Press in an edition of 120, 30 × 20 (76 × 51)
Presented anonymously through the Friends of the Tate 1980
Lit: op.cit., no.56
There was an earlier version of this print (op.cit., no.52). It is printed on thick board in different colourways throughout the edition.
The Tate Gallery 1980-82: Illustrated Catalogue of Acquisitions, London 1984