And some further interesting info. As I understood it, the lady who presented me with the gift inherited it as part of a collection from her...
, and gratis. So, how would one determine whether the uniface was caused via double planchet by error or intentional by proof?
OK, so that is way the coin is sligtly 0.1mm larger than normal. No pressure was exerted from the side in this case.
It is not my scale (balance rather) per say. I work at one of the worlds largest copper metallurgy technology develoment facilities, which also...
rascal, thanx for the explanation. If I may ask, how is the reeded edge produced in the stamping process?
From where is this coin, the first post.
Agreed, have you guys ever heard about a coin from Africa called the 1969 Biafra crown. Seriously interesting history. [ATTACH] Also, if you...
The coin weighed in at 2.81570 with Cat. weight documented at 2.8. The diameter is 19.1 mm and Cat. diameter 19 mm. The numbers indicate no loss...
From my limited understanding, a uniface coin is not necessary an error. It can also be considered as a proof or trail e.g. a coin design, not...
Most likely thank you. When I go back to work tomorrow, will note the exact weight. Can you please explain why a uniface coin can not be produced...
Sure, thanx. I am just as confused about this? The picture also makes the reverse look filed, but just looking at it, it is smooth.
The thickness by caliper also. If someone changed it, how would they get rid of the reeded edge without changing the diameter?
The diameter by caliper is the same as normal
5 decimals
[ATTACH][ATTACH] Hi, I am new at error coins. My son's music teacher give me this 5 peso coin with only the obverse. The reverse is blank. The...
Guys, fantastic coins. That 8 Escudos 1750 is damn fine.
Please post your gold coins. I bought this one two weeks ago. KM 84 1833 Chile 8 Escudos, 27 g, 0.9 gold, mintage 1833/2 I 25,000 [ATTACH][ATTACH]
Hi, looks interesting, what coin is this? Cannot see well.
:devil: Your largest circulated in diameter, 41 mm 1799 Bolivia 8 reales PP [ATTACH][ATTACH]
Bolivian reales. today. [ATTACH] [ATTACH]
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