The ornamental design for a trinket, as shown and described.
5.0-8.1.: Trinkets
5.0 : Front perspective
6.0 : Bottom perspective view with removed base
7.0 : Front perspective
8.1 : Bottom perspective view with removed base
The designs are trinkets for advertising in the form of balls with magnetic bases; the variants include footballs; in some variants the balls are empty and their bases can be removed, creating a small storage space inside.