From Velobase: They don't specify a year.

Campagnolo 1046/a, Nuovo Record (Strada)

Used by both the Nuovo and Super Record groups. Several variations through it's production life span. All NR/SR cups,are thick walled and rifled. Those BBs for use with a triple or Pista used the thin walled Record cup. Early NR/SR have a flat face on the fixed cup. Later versions do not. True SR BBs have aluminum cups and a titanium spindle. Spindles marked for [BB width] - [Application] - [ Chain line spacing]. Application codes: SS = Road. P = Track. Swiss threaded fixed cup was a special order part only.