If you select a Mission Pass reward, it gives a menu where only the first three items are shown, with an indication of how many other items there are. To see what they are and how many, you need to first unlock that reward, then select an option to proceed to a confirmation screen. This also means once you've claimed a reward you cannot see the extended details of either that reward or other options in that tier.
You can see the icons of the first five items each tier though, by highlighting the reward and not selecting it. It'll get a tooltip-style display. For Gold 21 it looks like this, which is enough to confirm the return of Daybreak Eyepatch:
So it's a website listing omission after all. I'll update the opening post.