1 700 000 00 PENNY How To Check If You Have One US Mint Error Coins Worth BIG Money AB, MB, NT, NU, BC, QC, SK, YT. All custom will be declared correctly. Available for sale is a 1937 canada silver half dollar 50 cent coin pcgs mirror specimen sp-66. This item is in the category Coins & Paper Money\Coins\ Canada\Fifty Cents.