I have three PGP keys, all of which are registered at pgpkeys.mit.edu and certserver.pgp.com, the standard servers. It's worth retrieving the most recent versions from the servers if possible.

The Signature key, ID 0x55DB5EC4, is what I currently use to sign email and other documents I want to authenticate or date using PGP. The Encryption key, ID 0xE537C45A, is what anyone should use to encrypt material for my eyes only, and what I use to encrypt sensitive material for myself as necessary. Both of these public Diffie-Hellman keys are listed in ASCII ("armored") form below. Saving this file on a remote computer and asking PGP to import keys from the file will add these the keys to a public keyring.

The third key, an older and shorter RSA one with ID 0x8CF0A92D, carries numerous signatures from others. I have signed the Signature key with the RSA key, and then the Encryption key with the Signature key, in order to preserve the trust chain built into the RSA key. I  do not use the RSA key for any other purpose.

Signature key for Gregory A Jackson

-----BEGIN PGP PUBLIC KEY BLOCK-----
Version: PGPfreeware 6.5.3 for non-commercial use <http://www.pgp.com>
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CwUCOOut7wQLAwECAAoJEO63Tj1V217EeYQAoPtjSj+Tls/qEOLMDXw9MDPTydBF
AJ9uS70ZtymiLje50R223vBWQV9ce7kCDQQ1EVjdEAgA9kJXtwh/CBdyorrWqULz
Bej5UxE5T7bxbrlLOCDaAadWoxTpj0BV89AHxstDqZSt90xkhkn4DIO9ZekX1KHT
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01uejaClcjrUGvC/RgBYK+X0iP1YTknbzSC0neSRBzZrM2w4DUUdD3yIsxx8Wy2O
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Mfyp5jBb7dSzwUcPNrfrlvd4AJ4ivQheXkxuoxAiTkasa8NWJNOJEA==
=WpyT
-----END PGP PUBLIC KEY BLOCK-----

Encryption Key for Gregory A Jackson

-----BEGIN PGP PUBLIC KEY BLOCK-----
Version: PGPfreeware 6.5.3 for non-commercial use <http://www.pgp.com>
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RtFOXCPAw79q4Lb+o196vslxiQA/AwUQNS5NfO63Tj1V217EEQKqAwCfQJkXTyU8
9ASEqZ+mUIzyaaPMpxsAnRxbrgA5supea2l1fKOzuvVEBjZCtBBnamFja3NvbkBt
aXQuZWR1iQBLBBARAgALBQI1PgQWBAsDAQIACgkQb4tiB+U3xFpmKgCfRWUCn65s
nlA3e4GX5qncn2HZ/3oAoL1dU/6/IheSQlfO49m1KuTeql16tB1HcmVnIEphY2tz
b24gPGdqcmVhbEBpYm0ubmV0PokASwQQEQIACwUCNXgTVgQLAwECAAoJEG+LYgfl
N8RaStwAnA81pthYfFIPHy+7UdMNEu7sjImJAKDE3Sbat3bsgaQDpJhG9TZ9p1BS
67QjR3JlZyBKYWNrc29uIDxnamhvbWVAYXR0Z2xvYmFsLm5ldD6JAEsEEBECAAsF
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9Vlf3HZSTz09jdvOmeFXklnN/biudE/F/Ha8g8VHMGHOfMlm/xX5u/2RXscBqtNb
no2gpXI61Brwv0YAWCvl9Ij9WE5J280gtJ3kkQc2azNsOA1FHQ98iLMcfFstjvbz
ySPAQ/ClWxiNjrtVjLhdONM0/XwXV0OjHRhs3jMhLLUq/zzhsSlAGBGNfISnCnLW
hsQDGcgHKXrKlQzZlp+r0ApQmwJG0wg9ZqRdQZ+cfL2JSyIZJrqrol7DVekyCzsA
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+qdpMvjS3uwv7/svBGPHbACgsMGu1O7/oC7+gpwgxp6o1JWjWfA=
=mco6
-----END PGP PUBLIC KEY BLOCK-----