http://www.geocities.com/felixkrt/coins.html
http://web2.uvcs.uvic.ca/elc/studyzone/200/vocab/coins.htm
http://www.saultstar.com/teens/stories/toonie/toonie.html
http://www.astro.ubc.ca/~rowe/coins.html
http://web2.uvcs.uvic.ca/elc/studyzone/200/vocab/coins.htm
http://www.saultstar.com/teens/stories/toonie/toonie.html
http://www.astro.ubc.ca/~rowe/coins.html