1800s home site.

[rick67]

1800's home site.

I have two for you guy's to look at.
1)

I haven't ran into these before. Any ideas?

2)

Tip to a scabbard?

 

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[relic nut]

First pic looks like roof tabs, nailed in to hold roof/ felt paper.
Second may be a tip to a cane

 

[rick67]

I can see the cane tip.

The fasteners have no cut tip and are bent like hammered over from the back side. I lived in a early colonial home we had a copper roof. Could they have been used to attach slate to a metal roof?