Sigma CS6??

Dad passed to me a Sigma C.F. Martin CS6-Made in Japan- He bought this in mid 1970's but I can't find info here or anywhere for that matter. Is there anyone that can help or point me in the right direction? Thanks

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Sigma CS-6

These were Japanese made classical guitars.

The Orion Blue Book online reckons it was made between 1979 and 1985, although a Wikipedia article citing the 1974 Sigma catalog reckons they were made in between 1970 and 1975. Possibly different versions of the same model - Sigma shifted production from Japan to Korea around 1985.

The Wikipedia article describes the CS-6 as follows: "CS-6 Classical guitar. Mosaic marquetry around sound hole. Rosewood bridge. Spruce top. Back and sides bubinga wood. Mahogany neck. Rosewood fingerboard. Pearl buttons on machine heads."

E-mail me some photos of the guitar if you like, and I will add a page for the Sigma CS-6, I am looking for Sigma catalogs of this era, these might have more information.

Nathan