Quoted from RyanClaytor:
Also, here's a flipperless gem for everyone to contemplate:
Game/Type: Big Top / EM Flipperless
Year: July, 1945
SPECIALTY: Conversion of these games:
-Keeney's 1941 'Twin Six'
-Keeney's 1941 'Sky Ray'
Cost: Starting Bid: $75 (BIN $450)
Location: Ofallon, MO
Link/Contact:ebay.com link » 1946 Big Top Circus Pinball Machine
It's also flapperless. Of course it would be, being from the 40s.