“187”
2 1/2″ high x 1 3/4″ wide. “PAT OCT. 21 ’73 APR. 20 ’86” is stamped on the obverse of the shackle.Patent # 143831 Milton Jackson Patent # 340319. (S-4.3). This is the only known specimen … February 2003.
2 1/2″ high x 1 3/4″ wide. “PAT OCT. 21 ’73 APR. 20 ’86” is stamped on the obverse of the shackle.Patent # 143831 Milton Jackson Patent # 340319. (S-4.3). This is the only known specimen … February 2003.