Volcanic breakfast!

Not everything to do with volcanoes is a matter of life and death!

Cartoon from back of a box of Shreddies, 1966. Sent by W B Harland to P Sabine [GSM/GX/Z/58] (Used with permission from Nestlé)
Letter from W B Harland to P Sabine relating to the Shreddies cartoon , 1967 [GSM/GX/Z/58]
Letter from P Sabine to W B Harland relating to the Shreddies cartoon, 1967 [GSM/GX/Z/58]