identicication

Hi! As I promised in my intro the other day, I am starting to post items I have obtained recently. They come from a family friend, ex diplomat, who passed away. It is a collection of mostly Mesoamerican artifacts he obtained in the 50's in Mexico. That is all I know of the provenance...

I found what looks to be a Chinese coin all the way in a field in Luxembourg. It appears to be made of Bronze. I'm assuming it dates to somewhere in the 1800s judging from other Chinese coins I've seen online but I can't be certain. Any help is Appreciated. Thanks!

I found this item in a park in Australia that used to be a training camp for WW2 soldiers. I have found a lot of stuff relating to WW2 in the area from bullets to buttons to badges. It may not be military but given where I found it I figure it could be. Its made of lead with what I think is...

Almost looked like an axe head to me, but I’m no expert. Found in a NC creek.

So i bought three and a half fifty gallon barrels from this older fellow who said "back 25 years ago i bought these off of a few fellows who had been collecting them all their lives from many different places" I am still sorting through. But, i am kinda lost at what a lot of them are? i have...