1974 Cal Jam Ticket Stub SHARE ON: russ — June 10, 2015 Tags: 197470'sblack oak arkansasblack sabbathcal jamdeep purpleEagles (the band)earth wind fireemerson lake and palmerLos Angeles CAOntario CAontario motor speedwayrare earthRockseals and croftsVintage 1974 Cal Jam Ticket Stub Playbill: Rare Earth Earth, Wind & Fire Eagles Black Oak Arkansas Seals and Crofts Black Sabbath Deep Purple Winning eBay bid: $301 http://en.wikipedia.org/wiki/California_Jam