This is a pre-order item, ETS 31 May 2024 or earlier.

Hard enamel pin with gold lining. You can see the preview video here: https://x.com/_afterblossom_/status/1775384870052933676

B-grade:

The sand thumper is missing the middle pole, and the thumper alignment is slightly off. Please beware those flaws when you place a B-Grade.