Carrera 12 — Early First Execution; White Dial (Eggshell); Standard Back (Slotted)
Carrera 2447 S, early first execution, with standard back (slotted); white dial with white registers
Serial No. 54043
Sold by Phillips, on November 11, 2017, in the “Heuer Parade” auction (Geneva), for CHF 30,000 (final price) — link to auction catalog.