Stop in for a cup of coffee

I hope I get what these guys are smoking.

VINTAGE 1940's SUN MOTOR TESTER UNIT AUTO CLASSIC CAR EXTREMELY RARE | eBay
VINTAGE 1940's SUN MOTOR TESTER UNIT AUTO CLASSIC CAR EXTREMELY RARE GORGEOUS | eBay
Vintage Retro Graphics Sun Motor Tester Header/Metal Sign Lot O-503