Initiation of a discussion about the catalogue structure

The classification of souvenir, commemorative, promotional, and other dollar coins issued by all sorts of private issuers makes it very difficult to identify genuine Canadian coins. I wanted to suggest either creating subgroups within the Coins category or using a search function to hide these other items.

More groups than this?

A different search function than this?

Thank you for this clarification - that will help a lot 

Once you select the filter you can also click on this to remeber the chosen filters as your default search selection: