This might be a good page to start off with: http://hkmal.blogspot.com/2011/02/283-china-yunnan-republic-50-cents-1920.html To my knowledge,...
It's from Yunnan Province. Most 3.6 mace coins are rather uncommon to scarce. The only exception is Yunnan 3.6 mace which happened to be very...
Sometimes a DSLR can be more trouble than its worth if you aren't used to it. You can get a DSLR camera and then you may have to look at micro...
I've posted this a couple of years ago of a list of world mints, national banks and banknote printing press. The original list already had a lot...
200 dollars seem like a steal! It's getting rarer to see them in a set these days. A bit of a shame to see it broken apart. In particular two...
There's just too many factors to the prices of gold. You can start from the global economy, the strength of USD, mine production, etc. If gold...
Evgeny - by any chance do you live in a humid area? It just sounds pretty odd. I own a fair amount of Russian coins including some modern silver...
A few years ago, a batch of error Malaysian coins appeared on the market. This could have only occurred if it was a mint sports - i.e. an employee...
I think you are missing the point. If a customer is paying good money to authenticate his / her coins and TPGs can't tell the difference, it's a...
Crazy times ahead of us. There definitely is a need to start spending some serious money on this to counter counterfeits. This needs to be a...
Overstrike coins are quite interesting and it's a really niche market. Somewhat underrated and not well studied. Even less is the history of them....
To be honest, if even that was cleaned, it is definitely a coin I would go after if I could afford it. Personally I couldn't care less if a coin...
Very interesting and excellent photos. I'm aware of their existence and tried to find one at a reasonable price for my overstrike coin collection...
WOW. Do you realize how scarce it is these days? Haven't seen one for a while other than in auction catalog.
Some solders are made out of silver alloy. Most people wouldn't think solders are worth much. If you can obtain such solders and refine them...
The first type of 1 jiao was actually struck in 1933 till 1939, not 1934. For a complete list of Manchukuo that were struck, please see here:...
New Zealand is also a good example. If I recall correctly, almost all of New Zealand coins were struck overseas, mostly in UK, Canada and...
The first coin is a coin from Manchukuo. I can't quite see the date due to the low grade. To identify it, please feel free to use this site as...
Reintroducing precious metals into coinage is a dead idea. The moment when the price of precious metals go higher than face value would mean...
Soon you'll see similar features to what's offered on digital cameras: shock proof, water proof, dust proof. What's next - counterfeit proof?...
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