Need help identifying cup & saucer mark

[truarty2go]

I would appreciate any help I can get on this cup & saucer. It is marked "Noritake Nippon Toki Kaisha, Japan". 

[janetpjohn_la]

Look on here in the 1950s: http://www.noritakecollectorsguild.info/bstamps/
Janet

[truarty2go]

Thanks, I need to know what the "JAR" is for.