mac OS Big Sur / Catalina install 32GB USB 3.0 dual key ( USB A / type-C )

Description

I am offering for sale a 32GB USB 3.0 ( type A / type C ) key with macOS Big Sur and Catalina
The key contains the last 2 versions.
The installation can be started at startup but also from the system.
- 11.4 Big Sur
- 10.15 Catalina