Bronze Spikes - Any way to date?

[CaribbeanDiver]

Having a tough time dating these. From the same site, the clean one was in the open sand so came up clean. Any input is appreciated.



The longer encrusted one has round head and round top of shaft, then goes square. Other 2 have square heads.

 

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[stevemc]

Looks old, but very hard to date exactly. Definitely 150 plus years old. Probably older.

 

[FriscoT06]

THAT sir is a display piece! Congrats, nice spikes!