creade Bronze Member Jun 23, 2013 1,193 1,670 n.h. Detector(s) used DEUS,root slayer Primary Interest: All Treasure Hunting Sep 21, 2023 #1 I found this small octagon button today. I thought it was blank until I started to clean it. Has anyone seen this before? Amazon Forum Fav 👍 Minelab PRO-FIND 35 Waterproof Pinpointer Metal Detector for Experts with Tone ID & Adjustable Sensitivity - Grab it through Amazon!