Rainy Day File - Breathing Space Blog
The file could also include performance appraisals, evaluations from speeches or presentations you’ve made, or simply your boss’s handwritten words of praise accompanying something that you have submitted.
The file could include love letters, ticket stubs, or program mementos. It might include a lucky medallion, coin, or dollar bill. It could be a flight itinerary, vacation brochure, postcard, or picture from a magazine. Anything and everything that will lift your spirits is fair game.