calling all cortes users?

vaquero44

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Maine
Detector(s) used
Deep Tech Vista RG 1000, Deep Tech Vista Gold, Deep Tech RELIC, Garrett prop pointer.....bazooka gold 36" gold trap, Angus MacKirk Grubstake sluice, my version of mikes trommel, echo crevice vac, Gold
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All Treasure Hunting
I just did an air test on one with my Cortes. With the discrimination set right above foil it read zinc 81 to 84 range on the numbers.
 

thanks shane!
 

I have always wondered why IH cents read as zinc. I thought they were pure copper??
 

some were made of bronze i've found!
 

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