I used to came across a website, there are collectors blogging about coins, and there is also a trading section where they sell coins (not swap)....
Hey where did you get your Ph.D degree of Sarcasm? maybe you should find a job with this skill, posting these pictures at this forum is wasting...
Thanks, my friend. There are more replies concerning about my already contaminated coins, thanks to these replies they come from serious...
the contaminated coins are most common types, I'll try to clean them if I can get acetone. As long as the dose of HCl inside residual is not...
it says 紫禁城 (the Forbidden City).But from the quality and design style, it is definitely not an official museum souvenir
According to Kentucky's explanation: pages emit hydrogen chloride gas + water in the air = HCl pages emit plasticizer = sticky residual If I...
Good to know. So the sticky thing itself is not any form of HCl (hydrochloric acid)? I guess the sticky thing also contains no water so there are...
binders have another issue, if they are thick, it will be not smooth when turning pages. at first I thought it depends on the design of rings and...
the acid is actually every where, not just on coins. I try to eliminate contaminants but there is also an adage "The dose makes the poison"
It is a modern craft made for fun, 1913 is the establish year of Federal Reserve System, and Sun Yat-Sen was not in power, he was replace by Yuan...
thank you for this information, it reminds me that I can look for binders from office supplies
is this binder big enough for 2 x 2 x 20 pockets coin pages?
Actually I am using "cardboard 2x2 holders", shouldn't call them "flips". PVC chemicals from the coin pages permeate through the mylar in...
China. will it be more Icelandic if I use Hydrsson
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