WOW!! Here is an EXTREMELY RARE Ball Hamilton as close to MINT as you will find!!! A Ball Hamilton 16 size, 23 jewel, open face, lever set, 999 EXQUISITE!! A N-MINT single sunk dial with black Arabic numbers, and blue spade hour and minute whip hands. It is signed "Trade Mark OFFICIAL RR STANDARD Ball Watch Co. Cleveland O." What a FABULOUS 3/4 Nickel movement signed in Gold lettering "Ball Watch Co. Cleveland, O., 23 Jewels, Adjusted 5 Positions, Motor Barrel, Trade Mark OFFICIAL RR STANDARD, Pat Dec.. 8.08." It also has the RR in a Gold circle. It is mounted in a BEAUTIFUL 14K White Gold Stirrup Bow case in GREAT CONDITION!! It is signed "BALL OFFICIAL RR STANDARD, KEYSTONE WATCH CASE, J BOSS, 14K GOLD FILLED 7048214" NO initials in the shield. It doesn't get more RR than this!! SN B604020 Ca. 1920