Yes! The brown tortoiseshell pickguard out of this set should be Gila tort:
https://www.amazon.com/FLEOR-Tortoi...ds=fleor+pickguard+bass&qid=1577117148&sr=8-5
Look for any brown tort pickguard with celluloid and PVC listed as the materials and you should find Gila tort.
Maybe this as well: https://www.amazon.com/Musiclily-Pr...s=brown+pickguard+bass&qid=1577117264&sr=8-11
Router it for 25 degree with nitro yellow aging it'll be vintage este