Dating guild guitar serial number
Usually, the production date is stamped or written is on the heel of the neck.
Also overlap of serial numbers and dates come with regularity.
I'm not the most tech-savy, but I will try to post them once I figure out how. I'm about 90 miles outside of Seattle, no overseas/shipping/customs.
I sold my beat up 1965 for 0, so it didn't seem impossible that it might be worth that much.
I am someone who has been on a long search for quality M20/F20's.
It appears that you have stumbled across quite a rare example of that guitar..at your local guitar store....crazy!