A vintage Teisco Checkmate 60 amplifier landed on my doorstep yesterday. It's a flea-bay purchase from a seller in Kentucky. No photos yet; here's one from the seller:
It's circa 1968 or 1969--the Checkmate 60 is listed in the 1968-69 Teisco catalog, along with the May Queen. The catalog page has been floating around the web for years--my thanks to whomever scanned it originally.
More photos and documentation to come.
It's pronounced TAY-sco, BTW...