Jacob's Biscuits Callcards
Jacob's biscuits used Callcards to promote several different brands they own.

Jacob's Take the Biscuit!
Promotional Callcard marketing Jacob's biscuits and Club chocolate bar.[...]
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Jacob's Cream Crackers
This Callcard was issued for the promotion of Jacob's Cream Crackers. The Callcard features the slogan "Top them with your Imagination".[...]
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Jacob's Kimberley
This Callcard was issued for the promotion of Jacob's Kimberley biscuits. Features the slogan "Individually wrapped for individual pleasure"[...]
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