9999 purity, and they will come with their Canadian Mint Tube which is red top as opposed to the more regular standard yellow top. For those of you who are not familiar with the meaning of incuse, it means the motif of the Maple Leaf on both sides of the coin is sunken into the metal (if you put a drop of water onto the coin it would stay there). I hope I have explained this correctly, if in any doubt, please message me with any queries.Good luck to all buyers. The item "25 x 1 oz Canadian Maple Leaf Incuse. 9999 silver bullion coins" is in sale since Sunday, May 17, 2020. This item is in the category "Coins\Bullion/Bars\Silver Bullion\Coins". The seller is "tristanmax" and is located in Oxford. This item can be shipped to United Kingdom.