If the points fry before the coil melts down, the current stops flowing and the only damage is to the contacts. 6 volt coils have a tendency to survive an accidental key on episode better than 12V coils do.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!