You don't see many really old bobcats.I've trapped them for about 30 years and have been mounting all kinds of cats for about as long.Canines grow from the base so they get thicker as they get older but most that you will ever see are more slender.A friend who is a retired government trapper commented the other day that you don't see many bobcats with badly worn canines.I agree.few get old enough.
The first two pictures exaggerate the size because the canines are closer to the camera and most cameras have wide angle lenses.When you look at the side view,the canines are more proportionate.I still think it was an old cat.
Massachusetts has no lynx and lynx don't have large canines like that.A pretty neat find.I don't remember ever finding a bobcat skull though fox and coyotes aren't to uncommon.