Robin Gecht occult leader of the Chicago Rippers who also consisted of Andrew Kokoraleis, Thomas Kokoraleis and Edward Spreitzer.

One page of a letter hand signed, Warm Wishes, Robin.  He has drawn a smiley face on the other side.  
The original prison stamped envelope includes a drawing of a rose on the front and is hand signed, R. Gecht with his complete return address and the recipient's penned in his hand.

Robin Gecht Letter and Envelope with Art Both Signed