Dr. Al Link wrote:
The Ten-Scale Rating Chart
10 NEW
9 AS NEW/MINT
8 EXCELLENT
7 GOOD
6 HIGH AVERAGE
5 AVERAGE
4 LOW AVERAGE
3 POOR
2 BAD
1 JUNK
Details at www.uregs.org
10 I GOT IT AT THE ESTATE SALE OF A RETIRED ENGINEER
9 I GOT IT AT THE ESTATE SALE OF A RETIRED 'HAMM'
10 EXCELLENT CONDITION FOR ITS AGE
9 I KNOW NOTHING ABOUT IT
11 EXTREMELY RARE, IVE NEVER SEEN ONE BEFORE
-Bill