Numbers 6 Digit - Gibson Serial

Almost all 6-digit serial numbers from this era are accompanied by a "Made in USA" stamp on the back of the headstock. If you see this, it is definitely a 70s instrument, not a 50s one.

Since you mentioned "good paper," I assume you are looking for a definitive guide or reference (like a white paper) on how to decode Gibson's 6-digit serial numbers. gibson serial numbers 6 digit

Here is a comprehensive guide (your "good paper") on decoding Gibson 6-digit serial numbers. Almost all 6-digit serial numbers from this era