How to display gpg key details without importing it?

Question

I have a copy of the postgresql apt repository gpg key and would like to view the details of the gpg key as it comes in the file. Is this possible without importing it into

Answer 1

To verify and list the fingerprint of the key (without importing it into the keyring first), type

gpg --with-fingerprint 

Edit: on Ubuntu 18.04 (gpg 2.2.4) the fingerprint isn't show with the above command. Use the --with-subkey-fingerprint option instead

gpg --with-subkey-fingerprint