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What is my Window of Expectation?

May 20, 2019 11:34PM avatar
When I'm gauging the era of the OLDEST coins I expect to find at a given location, I usually subtract 20 years from the earliest date of habitation. It is possible that older coins were in circulation, as I occasionally still find a wheat penny in my change today. But it happens much less frequently. As a stats guy, you will recognize that the odds of finding a really old coin predating the first habitation get longer and longer as time marches on.

IHC's were made from 1859 to 1909. I think your idea of hunting the OLDER locations increase your odds of finding an IHC.

Thought to keep in mind is that a lot of people flat out miss IHC's due to where they show up on the target ID scale, right about where zinc pennies do. Of course in an old town type situation, we are generally digging all good conductive signals / targets.

Here's a post I made over on the DetectorProspector Forum last year. I was hunting with my Racer 2 at the time. The conversation was about skipping zinc pennies and consequently missing IHC's as well.


Hunting old homes from the turn of the century (1900's) is a good way to turn up IHC's. Sometimes you can find old neighborhoods where a large portion of the homes are from a given era. Both the yards, the parking strips and LOCAL PARKS will hold lost items going back to the same period. thumbs up

Good luck with your IHC. I hope I find one too.

Rich -
Subject Author Views Posted

Ghost town hunt factor Attachments

glabelle 172 May 20, 2019 10:21AM

A Ghost Town "hunt factor" is a serious consideration. Been doing it since late 1968.

Monte 123 May 21, 2019 01:04AM

A Ghost Town "hunt factor"... Part 2. → What I factor in for those Nevada towns.

Monte 111 May 21, 2019 07:19AM

Re: A Ghost Town "hunt factor"... Part 2. - Giving back Attachments

glabelle 115 May 21, 2019 08:55AM

A terrific photo! Thank You!thumbs up

Monte 98 May 21, 2019 09:42AM

More maps Attachments

glabelle 156 May 21, 2019 04:38PM

MAPS! ... George, your computer tallents and generosity are appreciated!thumbs up

Monte 70 May 22, 2019 07:49AM

Re: More maps

NWCindy 67 May 22, 2019 05:08AM

Re: A Ghost Town "hunt factor" - refinement Attachments

glabelle 92 May 21, 2019 08:50AM

Re: A Ghost Town "hunt factor" - refinement

OregonGregg 84 May 21, 2019 09:01AM

Re: A Ghost Town "hunt factor" - refinement

glabelle 84 May 21, 2019 09:08AM

Re: Ghost town hunt factor

Kickindirt 93 May 20, 2019 07:47PM

Re: Ghost town hunt factor

silverhound2 94 May 20, 2019 10:08PM

Re: Ghost town hunt factor

Kickindirt 74 May 20, 2019 11:12PM

Ghost town hunt factor

UtahRich 108 May 20, 2019 02:02PM

My target

glabelle 122 May 20, 2019 02:33PM

What is my Window of Expectation?

UtahRich 69 May 20, 2019 11:34PM

Re: My target

NWCindy 84 May 20, 2019 04:02PM

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