I don't think that plate meets the MA License requirements for a vanity plate.
Photo from the following linked thread.
'Terrorista#1': Bragging license plate on BMW belonging to friends of captured Boston bomber
I'm thinking that if you are kooky enough to 'announce' you are a terrorist with a vanity type plate, that you don't really care about the MA License Requirements.
The bookstore at my college never had such 'cool' stuff.
Could be Florida, land of silly ego plates.