There are also coin catalogues; both stamp and coin listings are updated in new printings every year.
1953 Coronation. Most sets are reasonable, but a few that were in short printings are worth a few dollars. Some collectors prefer marginal copies (those with the sheet margins, and blocks of some have premium prices.
Bill D, when I moved to Canada, I started to collect half-dollars from rolls at the banks. I got a few good ones, then the banks decided to get in the act. In a corner of my large downtown branch, someone was situated at a desk, sorting through the coins that came in. The good ones disappeared after that. I never found out how the bank handled 'finds'.
Canadian banks were allowed to handle British gold, and the English sovereigns, with St. George and the Dragon on the reverse, made attractive presents. This was before the great rise in gold prices, so the coins were affordable.