there is a huge vintage parts market flowered up on ebay over the past several years. Some pretty sad condition drums dismantled and parted out have been seen. And then, there have been some pristine, nearly, if not absolutely yes, collector grade quality sets dismantled and parted out down to the last nut, bolt, and washer. Drum strippers are a thriving business. The only known example of a Rogers 1960s Powertone ALUMINUM shell snare drum was stripped for parts by one of these sellers. I really do believe some drums ought to be sacred from modification due to their historical import. I have seen at least one fake Dyna-Sonic snare drum for sale, assembled from parts stripped from other drums, by one of those same sellers. And that would be the same seller who had nearly a half dozen "pristine" and very rare Rogers 1960s Dyna-Sonic snare drums for sale. .
Nothing makes me happier than someone who isn't afraid to mod their instruments. Whether they're vintage or not. Whatever gives you the sound and feel you're going for!