tom@ubuntu:~$ gpg -v --list-packets file.gpg
:pubkey enc packet: version 3, algo 16, keyid 63E6E0BBB9FEE3A5 data: [2045 bits] data: [2047 bits] gpg: public key is B9FEE3A5 gpg: using subkey B9FEE3A5 instead of primary key 7A997B0A
tom@ubuntu:~$ gpg -v --list-packets file.gpg