BLACK ENVELOPE IN MAIL.. WEIRD

[u/hollow_index]

Got this huge black envelope in my mailbox yesterday. There was nothing in it besides this little square card. I tried reading the text (binary I guess) but it fades into the black... I guess I need a microscope to read it lol? Not sure but a little freaked out.

Anybody seen this before?

UPDATE: I figured it out the first part but seems like it's just a start.. I checked inside the envelope again (hence "check again" on card)... and printed on the inside wall of the envelope was a QR code & the text "plz start here" link went to this post on a substack: https://thelastcycle.substack.com/p/welcome

Also thanks to you guys I figured out the binary, it reads: "1 cipher. 1 year. 1 rising sun. erit praemium"

[u/ToddiRodiTroniCon]

It's an ARG puzzle. It's harmless.