I'm used to seeing the face veneered with 4 or 6 strips. A few will be done in 3. I count only 2 on these. I guess they had some fat trees to cut from back then.
If you need any parts for those, I just removed all the stock parts (minus the woofer) from a 1991 set (mid-horns, k77m, k55m, AK3, and everything strapped to inside access panels).