These were produced in large numbers and rebadged by Sears (called the SL11) and Kmart (called Focal 1000 TLX) in the USA, Prinzflex/Chinonflex (called the TTL), Sigma Mark 1 ,Porst of Germany (called the Uniflex), Foto-Quelle, also of Germany, rebadged the TLS as the Revueflex 1000s TTL and there are possibly other importers who rebadged this camera.
They can be picked up for very little money. This version (c1967) has TTL metering the earlier model had a clip-on CDS meter like the Nikon F mount Singlex. The Singlex logo was replaced soon after 1967 with the Ricoh logo. As with most cameras of this era, black versions command a premium over satin chrome versions.