at last, a chance for me to add some info to the site
im in the uk so half recognised the coin straight away, as for ceasar ,, its queen elizabeth, says so round the edge
i see it as a threepeeny bit, an old 3 pence coin, just wrong writing and colour
, this is what was used here,
http://www.coins-of-the-uk.co.uk/pics/three.html#qe'''''In 1937 a new brass threepence was introduced using an alloy of 79% copper, 20% zinc and 1% nickel. It was 12 sided to make it more distinguishable to the touch, and weighed 6.8g. It measures 21mm across between the flat edges, almost exactly the same as later used for the Canadian 5c'''''''
quote taken from this post under george V1
http://www.coins-of-the-uk.co.uk/three.htmloooops, ignore the bit about ceasar, i read the 'canada' as ceasar in the title..