Here is a copy of the specs from
mint.caFine silver 1 cent (1908-1910) - Farewell to the Penny (2012)
Artist: Georges W. DeSaulles (reverse), Georges W. DeSaulles (obverse)
Fine silver 1 cent (1911-1920) - Farewell to the Penny (2012)
Artist: W.H.J. Blakemore (reverse), Sir E.B. MacKennal (obverse)
Fine silver 1 cent (1920-1936) - Farewell to the Penny (2012)
Artist: Fred Lewis (reverse), Sir E.B. MacKennal (obverse)
Fine silver 1 cent (1967) - Farewell to the Penny (2012)
Artist: Alex Colville (reverse), Arnold Machin (obverse)
Fine silver 1 cent (1937-1966 & 1968-2012) - Farewell to the Penny (2012)
Artist: G.E. Kruger-Gray (reverse), Susanna Blunt (obverse)