It looks like Futura Bold accept for the 'q'. Maybe that letter was customized for clarity...?

If it is Futura bold the j was modified too. It would look just like the i if it wasn't. The c certainly looks like Futura bold.

I don't think these are real frig magnets. The dots on the i and j aren't connected. And aren't frig magnets usually in all caps?

I remember magnets from the 1970's that looked like those letters. They weren't fridge magnets, they went on a metal board, had cheap bar magnets snapped into the back. The dots were connected by thin bits of the plastic.

These images are "3D" re-creations of the originals.