Atari produced official Atari Lynx lapel pins for a number of games. These were never officially released in US but did come inside game boxes for a number of French releases. The pins were mostly for released games except for Vindicators, which never saw a release.
Atari France ran a promotion in 1991 that included betting these pins in versus games on the Atari Lynx against your friends. Read more about that promotion here. A limited number of Lapel Pin Coffret / Display Cases were also produced during this period.^
Bill & Teds Excellent Adventure
Gates of Zendocon
Atari Lynx Pins
In addition to the game pins, there were other pins in the official collection. These were 'Atari Lynx' pins. Two variants were produced that looked the same on the front but had different clips on the back.
Lynx Pin Badge (red plastic clip)
Lynx Pin Badge (Butterfly clip)
Luchs Soft Pins
Luchs Soft is a producer and has a nice number of Atari Lynx game releases under their belt. Most of the games come with their own lapel pins too.
Other pins that were not part of the official collection but may be of interest were...