Here's a 1938 d nickle that is a copper washed coin or sinthered planchet.The color of the coin has a dark grey to it and it looks close to what i posted here as it does in person . By observing the coin you could see some copper close to the rims . I bought this coin about 43 years ago from stacks store in manhattan for about 3 bucks then in UNC condition ,and they had no clue that it was a sintherd planchet. I would like if i could get some opinions on this coins grade ( MS grade only since it;s an UNC coin.) Thanks Jazzcoin Joe
I am not sure just what you mean "copper washed", but I would be virtually certain that it is not a sintered planchet. The mint does not have the equipment to handle sintered metals. As for the copper color, the nickel is 3/4 copper to begin with All it would take is a small piece not to get properly mixed and you could see the copper. Grade, maybe a 62.
If by "sinthered" you mean sintered, then it makes no sense in making coins. Sintering is a process whereby a powdered metal is pressed into a desired shape and then heated in a high temperature oven. This bonds the metal particles together forming a solid piece. No coin was ever made by that process.
DEFINETION FOR SINTERED PLANCHET These planchets were kept to long in the annealing drum. While in the drum they became coated with a layer of metal dust which the heat then sintered onto the planchet these are known with partial ,single- sided ,and double sided sintering also copper washed DEFINITION FOR COPPER WASHED These planchets receive a thin chemical coating usually of copper color while going through the washed cycle prior to striking see sintered Jazzcoins Joe
Hello Jazzcoins Joe, IMO the nickel is not such a wrong color that it would get a premium for sintered planchet or copper wash error type. In the photo it looks only slightly the wrong color. I may have time to stop at the bank & get some sintered planchet nickel & quarter errors to post some sample photos tonight. Very best regards, collect89
Well how do you account for the odd color it's not a normal color as most jefferson nickles are that are not copper washed. I don't know if you see the signs of copper below the rims of the coin on the obverse and reverse that's an indication of a copper washed planchet. Jazzcoins Joe
I see the copperish coloring Joe, but that is easily accounted for by toning or staining. For example, take a look at this one - HERE - that is not a sintered planchet coin either. HERE - is another. Now if you go to this thread - HERE - you will see what a real sintered/copper wash coin looks like.
I Know the difference between toning and staining and what copper looks like not to be rude. I'm not saying this is a sintered planchet i'm saying it's copper washed . When after they press the blank planchets they go into a cleaning bin and some of the nickle planchets happened to go were the cent planchets are ,and they are bathed and cleaned in a special chemical, and the copper from the cent planchets will adhere on the nickle planchets which is called a copper washed coin Jazzcoins joe
No disrespect intended Joe, but copper washed and sintered are the same thing. Take a look at this quarter Joe - http://www.cointalk.com/forum/t14477/ - even Mike Diamond says it's not copper wash.
No that's not a copper washed coin that looks more toned mine don't look like that. there is copper on my coin GD Thanks Jazzcoins Joe