[ Ref. https://www.mmdigest.com/Tech/Cellu 
 [ Replicating Aeolian Lithographed Celluloid Nameplates
 [ ... The plastic backing sheet I used is "Pyralene" (essentially
 [ pure Celluloid) 0.060" thick piano key covering material, ...

Hi, I read the very interesting article by Richard Z. Vance
concerning how to make celluloid labels.  Unfortunately Schaff Piano
no longer supply pyraline materials.  Would you be so kind to give
me some help, please.  Many thanks.

Regards,
Carlo Bucciarelli 
c/o Ufficio Progetti, Viale A de Gasperi 33,
Prato, Italia