Diplomat's Badge
Item 5EnchantmentInvestedMagicalSource Core Rulebook pg. 609 2.0Price 125 gp
Usage worn
When displayed prominently, this brass badge makes creatures find you more agreeable. You gain a +1 item bonus to Diplomacy checks.
Activate 
Recall Knowledge;
Frequency once per day;
Effect Attempt a DC 20 check to Recall Knowledge about people of a human ethnicity, a non-human ancestry, or some other type of creature. (The GM determines what your options are.) If you succeed, the badge’s bonus increases to +2 for Diplomacy checks with creatures of that group for the rest of the day.