This appears to be a professionally printed 10x8 racing publicity photo from Deke Houlgate Enterprises, likely produced on photographic paper in the early 1980s to promote the Pennzoil Chaparral and reference earlier Chaparral models.
Al Unser Ontario CA Chaparral Pennzoil Pit IndyCar 1979 - Himes Estate Photo
#4 Johnny Rutherford Pennzoil Chaparral 1/24th Scale Indy Car Waterslide Decals
#4 Johnny Rutherford Pennzoil Chaparral 1/32nd Scale Indy Car Waterslide Decals
RARE! Johnny Rutherford *HAND SIGNED* 4 x 6 Photo 1981 Chaparral Indycar *MINT*
Greenlight 2004 Tomas Scheckter #4 Pennzoil Panther IndyCar 1:18 LE 1654/2502
