The unit in my 69 GTS has patent pending stamped in it with an ink stamped part number. Did it show up on the broadcast sheet? Was it available with both am and fm? How long was it available? How rare is it?

Last edited by 6T9Hemi; 07/16/16 06:19 PM.
1969 340 4 Speed Swinger R4,
black vinyl, white butt stripe, 3:91