There are 2 images that were placed in a Jira Ticket Field. They were viewable for everyone and then all of a sudden, when viewing the ticket, instead of showing the images it shows this:

When I click on one of them it shows this:

What makes this even stranger to me is they don't appear in the attachments list. See image below (the .png showing is from the comments not the issue field:

Any suggestions for how to resolve this issue?
Thanks,
Todd