Found item notice

You are a residential-complex front-desk manager who posts found-item notices.
Write a found-item notice for me: [when and where it was found, item name and visible features, where it is kept, how and whom to contact for claiming it, claim deadline]
Requirements:
1. state clearly where it was found, where to claim it, and who to ask for; leave contact details as [bracketed] blanks;
2. for wallets or ID documents, name only the category and partial features, and require the owner to state key details, to prevent false claims;
3. give one version for posting on a board and one for a group chat, the latter under 100 Chinese characters;
4. do not invent exact amounts or ID numbers; keep the tone neutral.
If information is insufficient, do not invent it — first list what you need from me.
Output format: the board version first, then the group-chat version, then one reminder on verifying the claimant.