I have been thinking about doing this and finally got around to it. Someone must have been on acid at the Ludwig factory the day they made my special order drums. I had a beautiful 1971 Ludwig Silver Sparkle Hollywood set I got the summer of my 14th birthday. I am pretty sure it was 3 ply African mahogany with rerings. Great sounding kit. Used it all through college and on tour with Cornelius Bros. & Sister Rose all over the place. I added 6' 8' 10' 14' 15' and 16' concert toms to the kit in 74 while a senior in high school, nice 3ply maple granitone interior with rerings. Even nice bearing edges, although no bottom lugs. unfortunately in 1981 the set and the 10' and 14' toms were destroyed in a arson club fire. I replaced the drums with exactly what I lost as I had the other toms at home. Stupidly I ordered another 14' concert tom instead of a regular 14'x14' floor tom, and double headed 10'. I just ordered the regular 22" 16" 12" 13" classic Ludwig drums like my Hollywood kit and the stand to hold the concert toms.
To my surprise when the drums arrived at the music store they were the 6 ply maple, rivets in the wraps, the concert toms had clip holders and Hercules tom stands that took the clip mounts. Plus the big 1/2" spurs, which I didnt mind at the time. I was 23 or 24 then and just glad to have some drums and didnt think to much about it. MISTAKE !
Now 34 years later lets see how there doing. These first pics are of the bass drum and toms rivets seam. I made these today. Not as bad on the toms but horrible on the bass drum and floor tom.