Awhile ago, there was a thread here about what war nickels ID as on the F-75. I had said that they ID'd as high tones in the ground, but a little lower once you had them out of the ground. A few people replied, saying that their machines ID'd war nickels right around '31'. Well, I dug another one on Saturday, a 1944-D (35% silver, 56% copper, 9% manganese - source: coinfacts.com). It was about 7 inches deep, and registered as a high conductor in Delta Pitch mode (the ID was bouncing the high 60s to low 70s range). After I got it out of the ground, I remembered the old war nickel ID thread and said "AH, I've got to test this thing in a clean spot and see what it IDs!". So, a 1944-D (large mintmark on the back) war nickel IDs numerically as a '58-60' on my machine, when it is laying at the surface. I made sure the ground was clean around the target. It makes sense that a war nickel should ID higher than a 'nickel' nickel, because of the silver and copper content. Why it IDs considerably higher in the ground, I don't understand, but I have noticed this phenomena quite often with the F-75. I'm not complaining, because war nickels are desirable "silver" coins in my book, and I'd prefer that they sound like a silver coin! Reporting from the field......Jim
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Revisiting the War Nickel ID on the F-75
- Thread starter ziphius
- Start date
I'll say again, of the several I have retrieved with my F 75, all id'ed 30-31, in the ground and out. Now, I have never dug one 7" deep. If I recall correctly, I was probably in 3h tones and all sounded with a nice high tone and the deepest probably being 5" or so. I dug a deep Merc. dime a couple days ago, a true 8" and while being a tad bouncy, it hung around the 76-78 id reading, but sounded good in monotone. I have found with my 75 that deeper coins tend to id somewhat higher. HH jim tn
EL and Jim,
Interesting. I must have a quirky machine in regard to war nickels. The 58 ID was consistent even in 3H, Delta Pitch, etc. As for deep coins having a higher ID in the ground, that seems to be a consistent feature with this machine. The greatest variation I have seen is with wheat pennies. Wheats with a lot of green warts can ID way up in the high 80s to low 90s I've found, while 'clean' wheats in dry ground tend to be in the mid 60s. At the average turf park where I dig them, they ID in the high 60s to low 70s at depths exceeding 6 inches. I guess one lesson is that if it is deep, dig it! Thanks for the replies. - Jim
Interesting. I must have a quirky machine in regard to war nickels. The 58 ID was consistent even in 3H, Delta Pitch, etc. As for deep coins having a higher ID in the ground, that seems to be a consistent feature with this machine. The greatest variation I have seen is with wheat pennies. Wheats with a lot of green warts can ID way up in the high 80s to low 90s I've found, while 'clean' wheats in dry ground tend to be in the mid 60s. At the average turf park where I dig them, they ID in the high 60s to low 70s at depths exceeding 6 inches. I guess one lesson is that if it is deep, dig it! Thanks for the replies. - Jim
Well, Jim, quriky can certainly work both ways and like I stated, I have never retireved a war nickel as deep as you have and it very well could be I have been passing them by. I did, however, dig a pretty deep v nick that also id'ed, kind of bouncy, 31-33. You are so right about wheats and pre 83 Memorial cents. I dug 2 deepies of the latter this morning, a 68 and a 76, that were id'ing in the low 80's. Those are what really p... me off. Quite honestly, though, I like those funky readings. Most importantly, though, if is sounds good, even from just one direction, I'm gonna dig it. Elton, I would be interested in knowing what war nickels id on your T 2. HH guys, jim tn
That is my experience with wheats, too. Out of the ground they id as seemingly they should. On a couple of the sites I hunt, very, very trashy ones, I am digging a lot of coins that come out of clods with rust spots in them and near the coins. And, even, very small pieces of nearly rusted out nails. Such, for sure, makes for different id's. It is kind of ironic, we all attest to digging mainly by tone, and rightly so, but spend a good deal of time talking about screen id.
HH jim tn
HH jim tn