https://bartlettauctions.com/auctions/24681/lot/44253
Christopher Pratt signed poster 1986 - Bartlett Auctions Inc.
christopher prattsigned posterbartlettauctionsinc
https://godardgallery.com/content/feature/294/1046/
CHRISTOPHER PRATT, The Sheep (with 3 stencil proofs 2,5,7), 1971 | Mira Godard
CHRISTOPHER PRATT The Sheep (with 3 stencil proofs 2,5,7), 1971 original signed screenprint 13 1/2 x 31 in. ed. 20/25
https://www.heritage.nf.ca/articles/arts/christopher-pratt.php
Christopher Pratt
Biography of painter and printmaker Christopher Pratt
christopherpratt