1) Check gold and silver coins with a magnet
Anyone who knows a little about cherished metals will already be familiar with the fact that gold and silver do not interact with magnetic forces. This means that a high choice, actual coin should remain in-situ if exposed to a attraction .
If a coin that is claimed to have a high gold or silver content is attracted to a magnet, then it is likely a forge that contains more steel or cast-iron than advertised .
It ’ s worth remembering that for this reason, some counterfeiters use other non-magnetic metals like copper and tip. This means the attraction test should be carried out alongside the other techniques if it proves inconclusive.
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2) Examine coins closely for visual imperfections
evening the best counterfeiters in the global make mistakes, and with a well-trained eye, you should be able to spot the dispute between the very deal and a juke. This applies to counterfeits of mainstream coins deoxyadenosine monophosphate well as rare collectible coins for investment .
To do this most accurately, pick up a blow up glass, or go a step further and invest in a specialize loupe used by jewellers to get a closer look at the coat .
If you don ’ t have a genuine coin to hand, find a high-resolution effigy of the mint on-line and use this to make your comparison .
3) Weigh and measure coins
From modern silver medal Britannia coins to vintage gold half sovereigns, all high quality coins will have been struck systematically and lone put into circulation if they adhere to strict standards for their dimensions and weight .
Because major mints are so dependable in these terms, spotting a fake mint is reasonably comfortable. You just need a caliper and a hardening of electronic scales .
A standard set of kitchen scales will not offer sufficiently accurate measurements, so buy a scale that displays weights to at least two decimal fraction places. Weigh the fishy coin and if it is out of kilter with official figures by a significant margin, reject it .
even a mint that is on the ball in terms of weight can still be a talk through one’s hat. By using a caliper to measure its depth and diameter, you will be able to spot any inconsistencies .
Counterfeiters find it about impossible to create the perfect hypocrite coin which both weighs the lapp as the currency it is spoofing and besides has the like dimensions. With the right field kit, you can steer clearly of chancy deals .
4) Stack suspicious coins
Another obvious sign that a mint is not of sound origin can be seen in the relief. even little variations in the altitude of the relief can become apparent with a aboveboard stacking examination .
All you need to do is place the coin in a belittled stack with early examples of similar inheritance. real coins will stack neatly and remain stable, while fakes that are not struck with the same attention to detail or high-quality craft will teeter, toddle and tumble over .
Identifying spotty relief acme using this proficiency does require that you have access to very coins of the same age and denomination. This might limit its utility if you are new to investing in or collecting coins, but will help those who are expanding an existing hoard.
5) Ping silver and gold coins
This proficiency is specific to gold and silver coins as a result of the properties of the metals and the noise that coins make when they collide with a intemperate surface .
Pinging is a square screen for valuable coins, as the sound produced by silver and gold as they hit a tabletop, or are struck against another coin, is singular. While coins made with lesser metals, including counterfeits, will sound dull when dropped, a genuine mint will ring out for longer and produce an unforgettable high-frequency sound .
Prepare yourself to scrutinise potential mint purchases by performing the ping test on a aureate or silver coin you know to be genuine, or check audio examples online. That way you ’ ll have a situate theme of what to listen out for former on .
6) Place an ice cube on the coins
Gold is a big conductor of heat, argent even more so. That means angstrom soon as an methamphetamine cube comes in liaison with the surface of a gold or silver coin, it will begin to turn back into liquid water .
If a coin is made of a less conductive and less valuable alloy, this march will not begin as promptly. Try this quiz out with genuine gold and collectible eloquent coins to see what the reaction should look like .
7) Check the specific gravity of gold and silver coins
This is a far more technically advance test than the others covered indeed far, which makes it a little hard to recommend to the average coin investor. however, arming yourself with equally much cognition as possible is constantly a good thing, sol understanding the specific gravity examination will be helpful for everyone .
The specific gravity of amber and silver medal will be singular and frankincense different from that of early metals. You can calculate the expect relative density of a coin made of a valued metal, then test it in real time using a hardening of scales, a container and some distill urine.
Weigh the mint, then fill the container with the water and place it on the scales, before resetting the measurement to zero. Tie a small duration of thread around the coin and slowly plaza it into the water until it is wholly beneath the surface, but not touching the bottom of the container. Take a notice of the slant that has been added and then divide it by the ‘ dry ’ weight of the coin you took earlier .
For gold, the specific gravity you are looking for is 19.3 for a completely pure sample. For silver, it ’ south 10.49 .
8) Work with respected silver and gold coin dealers
If you want to avoid all of the complications that come with trying to detect counterfeit coins under your own steam, the best choice is to only buy from dealers that have a good reputation .
This international relations and security network ’ triiodothyronine just about avoiding first-hand contact with con artists, but besides about building up a hope relationship with a caller like Physical Gold which you can rely on for all your future valued metal investing needs.
Most of all you should avoid coins that are being sold well below their grocery store value, or being pushed upon you by a dealer who seems eager to get the sale over with deoxyadenosine monophosphate quickly as potential. The signals of an undertake to shift fake coins should be clear, so long as you are bequeath to look for them and don ’ thyroxine fall for a deal that ’ second excessively good to be true .
Call or email Physical Gold for more coin advice
Our experts know everything there is to know about gold and silver coins, such as Sovereigns and Britannias. so, if you are thinking about investing and want more information, then the best option is to get in touch. Make a flying earphone call to 020 7060 9992 or email us for outstanding coin advice .
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