i have this slinglerland drum set, pretty sure its from the 1970's, i would like to know how to exactly pin point information on the year, and where its originated from, it says illinois on the slingerland name plate, dont know if they all do, i recently started stripping the shell of the outside so they r natural wood color, instead of black, i was wondering what u think about what i did, with the stripping of the shell, i have the serial numbers on the drums, jw..if ne one could help me out..ty for ur time....

                                               phillythekid