Try Marcelle. its not the same but it's really similar o.o http://www.dafont.com/marcelle.font?text=Campbell%27s

This logo was created a long time ago -before computer even existed-, and the font may be just a logo that the designer came up with. Anyway, one of the best-matching font is called "Campaign-normal".

Maybe? Maybe? http://www.brandsoftheworld.com/logo/campbells-1


Campaign-Normal has little to do, or rather nothing to do, with this logotype.