Cylindrical stick of explosive substitute in cream paper wrapper, over cardboard tube with black print: ‘C’; ‘POLAR AJAX’; ‘Alfred Nobel’; Nobel's Explosives Company Trademark; ‘1 7/16 ins. GLASGOW 4oz.’; ‘NOT MORE IN ONE SHOT HOLE’; ‘THAN 48oz IN A STONE DRIFT’; ‘OR 28oz ELSEWHERE’; ‘NOT TO BE ROLLED IN THE HAND’ Inner tube printed: ‘POLAR’; ‘AJAX ‘C’, by Nobel's Explosives Company Limited, Ardeer, Scotland, 1877-1926