they weren't in the Dark Brotherhood crate's list of items
https://forums.elderscrollsonline.com/en/discussion/665274/official-discussion-thread-for-dark-brotherhood-crown-crate/p1

so i assume you are referring to datamined content, none of it is guaranteed to release and even if it does release it could take months or years.

AllenaNightWood wrote: »

they were in there prior to release of the crates but i guess them got removed maybe an issue or being saved for later

the post i linked is the only official list of Dark Brotherhood crate items. zos didn't list those ear rings anywhere