Rolex Ref. 6309 18k Yellow Gold Thunderbird Oyster Perpetual Datejust, circa 1950's

Rolex Ref. 6309 18k Yellow Gold Thunderbird Oyster Perpetual Datejust, circa 1950'sCase: 18k yellow gold, 35 mm, screw back, Thunderbird bezel with raised Arabic numerals and baton markersDial: black, applied...