A double-arm low C puts it in at least the 880 era or some derivation of that model. Usually Yani kept their own serial number on their stencils - you might be able to get an idea of manf. date from that.
Modern(read: current) necks are available at very reasonable cost.Carbs said:Thanks. Something I noticed that may be wrong with the horn. Is the neck. Their appears to be some corrosion. Is this normal. Fixable?