Unit of four
By: B. P. Nichol.
Contributors: Nichol, B. P., 1944-1988 (autograph)
Publisher: Seripress
Published: 1973
Place of publication: Toronto
Language: eng
Notes: "Silkscreens printed by Barbara Caruso."

RBSC copy: "Edition limited to 90 copies."  No. 61.  Signed by the author.