etching

This appears to be a brass tag which was found near an old bridge site on a small creek in NJ that was active from the 1750's until the early to mid 1900's. It weighs .324 oz or 9.20 grams and measures 38.4 mm in width. One side is blank, but the words "DARM LATT" were seemingly hand etched...

I think this is fenton not sure. No Id marks.

In Winter I was taking photos of frozen waterfalls on the sides of Ten Sleep Canyon in Wyoming's Bighorn Mountains. Later I zoomed in on the photos and discovered what I believe could be writing inscribed on the rock wall. Attached are photos of this - first large, then cut-out smaller versions...