Unfortunately, the "coinsandcanada.com" site has been previously documented in other topic discussions on CCF as containing errors in the numerical data in its price listings...
Keeping in mind that it's certainly possible for any publication, be it on-line or hard-copy to make an error, I will usually cross-reference between guides and check on past
ebay sales, and talk to other collectors to establish value before I purchase a higher price coin...
In my opinion, if you want a reliable and current up-to-date market value price guide, Canadian Coin News "Trends" provides this... it is probably the "go-to" source guide for valuation of Canada coins that most knowledgeable collectors and dealers rely on...
Please note that again, in my opinion / experience over past 5 years it's been my observation that for the categories of Newfoundland and Provinces values, all price lists I'm familiar with seem to be quite over-inflated as to actual dollar value achieved in market sales...
Charlton Standard Catalogue is a valuable tool to have for identifying varieties as there are lots of photos and info regarding such... however when it comes to Charlton price lists, keep in mind the Catalogue is published once-a-year, in comparison to Canadian Coin News "Trends" list which is published every 2 weeks...
In my opinion / experience when compared to actual sales on
ebay and at coin shows, Charlton does not reflect as accurately to market conditions as does "Trends"... I have found that the Charlton values are often significantly over-inflated...