1. The printing process is different. The original coin feels very concave and convex, but the washed coin is not obvious.

2. The color of the paper is different. Usually the original paper is shiny, and the paper washed with money is dull;

3. The texture of the face is also different. The surface of the original coin is very smooth, and the surface of the washed coin is slightly hairy.

Coin washing generally refers to the paper money whose original soft creases or stains are flattened after being washed with water or medicine. Such paper money can fetch a good price. But many collectors don't want to collect such banknotes, but want to collect the original coins.

Users can usually identify washed coins by different methods, such as copper rust identification. The new and original banknotes have bright ink color and intact patina; Washing coins with clear water will destroy the packaging of paper money, and it is easy to find them as long as you observe them carefully when buying and selling.

Personal collection of banknotes should be beautiful, and the collected banknotes should be sold at the right time. When selling, they can directly choose to sell at street stalls. However, before selling, you need to know clearly how much money your collection will cost, and whether it is a boutique.

Many friends who are new to coin collection may think that collecting is to buy brand-new, peerless, flawless, pointed and white flour. In fact, these are very superficial things.

Some illegal money dealers use liquid medicine to clean their faces for commercial benefits, which will make them look brand-new. The collection value of processed potions will be greatly reduced. Some coin dealers will sell some tickets treated with medicine as collectors. This is not about cheating. You get what you pay for, both cheap and expensive. Learn how to identify whether paper money is underwater with coin collectors here, and share some skills of coin collection. The so-called washed paper money refers to the paper money that is washed with water or liquid medicine and then flattened to appear soft creases or stains. It's okay if the price of washed paper money is not high, but if you buy it at a high price, the loss will be great. Driven by the interests, illegal banks asked repair experts to deal with the problem banknotes, which turned the middle and high-grade banknotes into high-grade or even full-grade banknotes, and the prices soared and the handling methods were constantly refurbished.