Self Contained

signed lower right in ink titled upper left corner on the reverse in blue ink date unknown: circa 1960’s – 1970’s

The Umpire

signed lower center in blue ink titled and numbered 1/1 lower center in graphite titled upper left corner on the reverse in blue ink

Untitled

1 – signed lower right in ink 2 – signed and numbered 8/1000 lower left in ink – California Computer Products printed along the bottom edge