--list-secret-keys
-K
    List all keys from the secret keyrings, or just the ones given on the command line. A # after the letters sec means that the secret key is not usable (for example, if it was created via --export-secret-subkeys).

         _          _          ____  _____    __               _  _ __  
        | | ___   _| |__  _ __|___ \|___ /   / /_   _____ _ __| || |\ \ 
        | |/ / | | | '_ \| '_ \ __) | |_ \  | |\ \ / / _ \ '__| || |_| |
        |   <| |_| | |_) | |_) / __/ ___) | | | \ V /  __/ |  |__   _| |
        |_|\_\\__,_|_.__/| .__/_____|____/  | |  \_/ \___|_|     |_| | |
                         |_|                 \_\                    /_/