CF Mountain Soprano Ukulele Martin with chip board case majorprice drop

This is a very interesting piece Can't say as we have ever seen this one before so it must be kind of rare.  I do see some other instruments with this same logo and brand.
1960's or 70's made in Japan soprano ukulele with chipboard case plays good sounds good no issues no cracks no damage
it is used with normal wear for it's age Very cool soprano uke