Five dummy examples of coal mining explosives, each of a different type; 'Seamex' and 'Driftex' made by ECP, 'Penobel' and 'Polar Ajax' by Nobel's ICI.

Five certificates of freedom from explosive matter and/or propellant in munitions are physically with the object. The certificate numbers are as followed: 2023474, 2023475, 2023476, 2023477 and 2023478.