Personalized guitar picks are often made in order to promote some place or some event like: music stores, music events, studios, websites, magazines, etc. They also can be made like musicians or collectors personal items and to commemorate something!
The Brazilian Picks Museum has a lot of these guitar picks classified in four ways! You can see some examples of them just clicking on the links below!!!
There are some available cool pictures inside each item as well!!!
Visit the page of "Bands and Artists" guitar picks too! There are a lot of cool plecs there and you can find some pictures of them in the Photos section!!!