If I browse to the following URL,

http://musicbrainz.org/cdtoc/kzSQZgNvVMVYwE3rZc9hUXBceOI-?tport=57094

The cells in the "Tagger" column appear empty. Looking at the source, they hyperlinks to call back to the tagger are being generated, but the image doesn't show up. Browsing to individual release pages, the tagger image shows up as expected.

I see the same behaviour on both Firefox and Chromium on Linux and Safari on MacOS, and seems to occur whether I'm logged in or not, so I don't think this is down to any local quirks on my end.