Instruct you 13 court, how to differentiate the true bogus of ancient coin

Coin collects the market to should say is to collect one of markets with the most active domain, no matter be soft,still commemorating what money perhaps invests money to collect is to having very good masses base, the person that collect is numerous. How does that differentiate the true bogus of ancient coin?

01 differentiate word: No matter be the money of which series, they mostly casting has a character, the feature that these characters have commonly is: Fine, fluent, carry out is beautiful, layout is optional and decent.

02 differentiate become rusty: Discern namely cupreous rust is lubricious, show copper becomes rusty commonly, small-scale or lump copper becomes rusty, call commonly " natural rust " or " hard rust " , cut with fingernail or knife etc hard eliminate, distributinging nature is decent.

03 casting method: Casting method is the main craft law of coin of our country ancient time, the quality of a material that says coin on the whole is compared commonly close together and meticulous, circulate up to now, exterior nature comes into being a color to show the bag oar of puce, let a person feel internal heat all is retreated, colour and lustre is downy. And the foundry technology that bogus tastes is compared commonly careless, cause money to pledge loose, let a person feel internal heat is very heavy, money side sand holes and stoma although classics burnish, but always wear away naturally not as good as and appear smooth.

04 laws audition voice: A lot of coin learn the home and collector to like to use listen to ancient money of audio method appraisal, ancient coin because the reason of quality of a material, time is more ages ago, internal heat is used up, oxidation is more serious, cast at cement floor its sound also jumps over silent dumb.

05 weigh in hand weigh a law: Numismatics all has certain maund when cast, because its make a method be different from,bogus is tasted ancient, weight is different from necessarily taste really, make counterfeit money now multi-purpose casting method, general relatively massiness. Both difference, with the hand one weigh in hand, can part.

06 musical notation: Remember a collection of illustrative plates of past dynasties coin namely. But reference book of have the aid of, xian Jizhen rare money is planted, write down bogus to taste again, memorize at the heart, can apply freely.

07 odour law: Because true ancient coin is long-term embedded underground, the meeting when coming up out of land contains a sterling clay scent. And the strange flavour such as the sizy ingredient that false money contains aculeate bazoo, colophony flavour, raw lacquer flavour, carry scent so also very can fast discern a true and false.

08 handwriting law: False coin is cash put oneself in another's position normally complete, copper is qualitative newer, handwriting is punch-drunk however.

09 form make a way: The true article tasting money of ancient coin, design, outline and perforation are very clear, counterfeit money is made coarse, qian Wen, design, outline is punch-drunk, have trachoma and air hole more.

10 bath law: Put coin into clear water to immerse, adherent rust of the clay on coin, smeary, float can produce change as immersing time, can fall off.

Law of 11 acerbity check: Chemically acidity medicines and chemical reagents has local examine item by item, go out after money becomes rusty, be in find out true bogus carefully.

12 attrition law: The copper of the cupreous scene that through attrition observation period shows and coetaneous coin is lubricious whether conform to.

13 bougie law: As a result of the true rust of ancient money, adherent force is powerful, hard, be down upend to fall with cusp of needle of the needle that sew the garment pressure, after letting go, steel needle can go down, and the rust of false coin has slight flexibility, steel needle topples not easily.