This is a "budget" Mosrite made around 1963. It has the Maphis shape with no German carve or binding.

This 1963 Double neck is serial number 103. Brian Lonbeck had received the second double neck with his name inlaid in the fretboards with serial number 102. This is very similar to the double neck on page 3 but with Mosrite hardware and pick ups that will now be on the single neck guitars like the Vibramute vibrato and actual Mosrite pick ups.