Vintage 1964 Gibson HAWK GA-25RVT Amplifier Instructions owners Manual 11 x 17 and all original
1964 was the second year for the Hawk Amp and they had a rough brown tolex exterior Reverb and Tremolo they now sell for $900-1200 and this is an original manual form 8/64 Kalamazoo Michigan.  If you have a 6gibson with a matching amp..you will want this for your case candy investment.  Anyway, if not, I have attached the pics so you will have the information for free.   :)
This Instructions manual has the Wiring diagram ...