GAB no maker

[JindrichM]

Hello Friends

I nead help eith this badge. It looks as ground find, but maybe its fake, i dont know. Patina looks as made with acid.

Please help, all opinions are welcome

JindrichM

[Frank Heukemes]

That R.K. made GAB is not a fake and has exactly the patina/bloom you would expect from a ground dug zinc badge.

[Don D.]

Frank should know. He wrote the book.