Back out in the morning for more punishment , weather doesnt look too bad .Dave The Slave wrote: ↑Sat Mar 13, 2021 2:19 pm Well done Paul on detecting in not pleasant conditions but sometimes you have to pull the plug.
Looking at the cross, commemorative stuff would probably be made around the date engraved. Possibly one of the earliest uses of Aluminium or could perhaps be Zinc or similar. Not found any 1839 crosses as yet.
You could well be right on the aluminium or even zinc . I had to google when aluminium was invented to which appears to be 1825 but probably a very different grade to what we now have got used to .