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Josh K.The Grover card appears to be a Neilson's Chocolate (V61) issued in 1922. Does it have any writing on the back? The e120 and one of the strip cards (W573) look similar but neither have the small number in the bottom left corner.
http://www.oldcardboard.com/foreign/canada/v/v061/v61.asp?cardsetID=1005