If a person is in the variety game for the long term, get a binocular 'dissecting' type of microscope such as a B & L Stereozoom 7 with light. It...
I would think it would follow the same pattern another coin its size would if the other coin was only bronze, if it is small, like a lincoln wheat...
I haven't seen any examples of the aluminum-bronze coins like these in hand, but they have high corrosion/tarnish resistance due to the aluminum...
One of the larger expenses for mining is fuel costs for the huge mining trucks. Fuel has come down approx. 20%. I am sure the mining companies are...
One has to consider the reason for getting it done. For resale? You would have to consider the extra $$ for the grading process you are adding on...
I estimate that the latter coin would weigh 3.88 grams if that helps and the assumptions about volume is correct. But if the tolerances were...
Yes, copper is higher than zinc. But what are the tolerances as given by the mint, ( 4.06 +/- ?? grams )if they do give it. Often when this has...
Only in the first photo could my imagination see it, but it looks incomplete, the wrong font and size. Often stain/ tone/lighting can make it...
I forgot to mention that photoscape is available for windows or mac for free photoscape.org and is well worth the money :)
The 88% copper/12% zinc mix should have a sp.gr. close to 8.715 and the 65% copper/35% zinc mix should be about 8.301, and should be determinable,...
Actually almost none of the USB cameras can show all of a coin beyond the 3 cent piece except the extended focus of the dino-cam, which is several...
Photoscape image program has a reverse function as well as a upside down function.
Common use , Specific gravity of a metal or other substane, indicates its mass/vol ( density) relative to pure water @ 4 deg.C. You need a...
MD.
I didn't notice the part where it reads every collector has to buy a set. Complaints here as with the previous fiasco gets nowhere. Not buying...
You need to process your photo through a program such as photoscape from photoscape.org. Easy to use, free, and one of the few that will crop...
Can't find a wood stake big enough for dinosaurs :(
On any forum, when you ask for input, some will TPG class or better; some will be trying, but not yet experienced enough; and some can not see the...
For the majority of MDD, the causative reason is the die has been inserted inexactly or that the press itself has an adjustment problem. If a run...
It means that he can not answer at this time, so any further dinging remarks would be disrespectful to another member. If you were to become...
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