I will go first and have the crypto, but it has been a while so I'll sign a quick message with an address I posted in 2017.
Code:
-----BEGIN BITCOIN SIGNED MESSAGE-----
Hi. Cxin back on BitcoinTalk. Signed 10/12/23.
-----BEGIN SIGNATURE-----
1BAMEeZJwM4Rnew6GuSLif9vN2FEHQ2RAc
Hxeti8iHhtUSnGi5ljroykWptTTVGaMIQ3cGJLd3aD9uAOMbN7lorGvdcSOP+uYF8VcOCRbR+sa+wffgMtF9wYA=
-----END BITCOIN SIGNED MESSAGE-----