An ordinary pair of glasses purchased at a roadside stall. John Titor's eyesight is just fine, so this is just a pair of decorative glasses that is excessively large, seems old-fashioned and can be seen everywhere.

IDM 5100, the first desktop computer developed by IDM.
A costly product designed for professionals, also a luxury choice for the working class. As the the chief developer, John keeps a prototype to herself without permission—this is totally acceptable. Besides, if you ask any of those who have used it, you'd know it is very useful for self-defense.

An old military insignia. The metallic surface remains as radiant as ever. There is a reasonable deduction that John Titor's identity and abilities are very much connected to this insignia. In comparison with that heavy computer, she actually treasures this tiny insignia a lot more.