no website on file — from open-source research, nothing to check against
Vesper Chan's house: pioneer of dry storage pu-erh, owner of the famous '88 qing'; 4 shops in HK + Canada.
website to be confirmed
The source export carried a verification date of 2026-08-14 — later than today, so the check could not have happened. The mark was removed; the original value is kept in the data.