I am sorry to "grab TBs from someone's hands", but after two weeks without answer since I first contacted the current "holder" I am going to go ahead. I actually found the TB in Arcaico Ingresso (https://coord.info/GC917K9), a cache visited by the current holder in August 2021. I guess there was some confusion in the logs, and the TB did not end up as deposited there. It is now physically in my hands, though.