Kettering coat of arms

I had to go to the Kettering crematorium today (for work) and noticed this interesting artwork on the book of Remembrance in the chapel.
It turns out to be the Kettering coat of arms, and its interesting history can be found here - 
http://www.kettering.gov.uk/info/200031/data_protection_and_freedom_of_information/1591/coat_of_arms