I got this shell a couple days ago.Never seen one before.I have a few questions about it.It looks like is 9 ply shell like it is in Pearl catalog scans,last ply before wrap looks like lauan,also,I found information that fiberglass was sprayed,but here it looks like it is one inner ply(look the overlap).According to badge it is somewhere in the end of the 70-ties and beginning of 80-ties.Any information you have are thankful.Thanks too Pearl MIT productions,I have almost all parts,except bass drum legs,but they will come eventually.
Thank you!