I have two pgp public keys. One is used only at home on a machine that is not connected to any network. It's the following:

Type Bits/KeyID    Date       User ID
pub  1024/8F1B79E9 1997/03/12 Volker Lendecke 

-----BEGIN PGP PUBLIC KEY BLOCK-----
Version: 2.6.3i
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=R5id
-----END PGP PUBLIC KEY BLOCK-----

The other one lies on a machine in the institute, fully connected to the internet.

Type Bits/KeyID    Date       User ID
pub  1024/E639CE45 1997/03/24 Volker Lendecke Uni 

-----BEGIN PGP PUBLIC KEY BLOCK-----
Version: 2.6.3i
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=Afex
-----END PGP PUBLIC KEY BLOCK-----