I was looking at the "Nonsports Card Sets - Late 40s / 1950s" page.
The page logo has a link: "Click above to visit the NS Chat Board".
The link goes to "https://www.tapatalk.com/groups/thisforumnolongerinuse/".
This is a minor bug. But removing this bug would remove the "BL" Qualifier, (Broken Link) from the Gallery. (I assume that many pages have that broken link.)