1. Hand feeling identification: The front and back of real U.S. dollars are all engraved and gravure printed. If you touch the denomination numbers on the four corners with your hands, there will be an obvious concave and convex feeling. Fake U.S. dollars generally have no concave and convex feeling when touched by hand. Observe with a magnifying glass and you can see the gravure microtext.
2. Needle pick identification: The blank space on the face of a real U.S. dollar contains a small number of red and blue fibers, which can be picked out with the tip of a needle. Some fake U.S. dollars do not have red and blue fibers. Some only have fibers printed on the surface that cannot be separated from the paper, while others have red and blue fibers in the paper. Although they can be picked out with a needle, the materials of the fake fibers are different. When inspected under a purple light, there is no fluorescent reaction. .
3. Wipe identification: The green emblem and number on the right side of the real dollar bill will leave a bright green mark on the paper after rubbing it hard on the white paper. After rubbing the fake dollar bill, although there will be traces , but not obvious.
4. Texture identification: Real U.S. dollars use a special paper for printing banknotes made of cotton and hemp fiber. The counterfeit dollar makes no sound.
5. Color identification: The characters, images, text, lace, etc. on the front of real U.S. dollars are printed with black gravure ink containing magnetic substances, which is bright and eye-catching. The fake U.S. dollars are printed with inferior ink, and their color and luster are different from those of fake U.S. dollars. The contrast is greater compared to real US dollars.
6. Identification of portraits: portraits of real US dollars have bright eyes, while portraits of fake US dollars have dull eyes and blurred lines.
Extended information:
The denomination numbers in the lower right corner of the front of the 1996 edition of US$100, US$50, US$20, and US$10 are gravure-printed with optically variable ink, and appear green when viewed perpendicular to the face of the ticket. , when the banknote is tilted at a certain angle, it turns blue.
The denomination numbers in the lower right corner of the front of the 2006 version of the US$50, US$20, and US$10 are gravure-printed with optically variable ink. They appear golden when viewed perpendicular to the face of the note, and turn green when the banknote is tilted at a certain angle.
Beginning with the 1990 edition, a fully embedded text security line was added to all denominations from $5 to $100. There are "USA" and Arabic or English words and denomination numbers on the security line. The 1996 version of the $50 and $20 dollars also had an American flag graphic added to the security line.
The security thread of the 1996 version of the US dollar is still a fluorescent security thread, which shows different colors under ultraviolet light. The security threads of 100, 50, 20, 10 and 5 US dollars are red, yellow, green, brown and blue.
Banknote style:
The $1 note (1993) has a portrait of the first President of the United States on the front,
George Washington (1732-1799), background The main scene is the Great Seal of the United States.
The front of the $2 coupon (1976) is a portrait of Thomas Jefferson (1743-1826), the third president of the United States, an original work by G.C. Stuart. The reverse side shows Jefferson's former residence (version before 1976) and the signing venue of the Declaration of Independence (version after 1976).
The front of the $5 coupon (1995, 1999) is a portrait of Abraham Lincoln (1809-1865), the 16th president who abolished slavery in the United States. On the back is the Lincoln Memorial in Washington.
The front of the $10 note (1999) is a portrait of Alexander Hamilton (1755-1804), the first Secretary of the Treasury of the United States. On the back is the U.S. Treasury Building.
The front of the $20 coupon (1995, 1996, 2004) is a portrait of Andrew Jackson (1767-1845), the 7th President of the United States. On the back is the White House, the presidential palace of the United States.
The front of the $50 coupon (1990, 1996) is a portrait of the 18th President Ulysses Grant (1822-1885). On the back is the U.S. Capitol.
The front of the $100 coupon (1988, 1996) is not the president, but the portrait of the famous scientist, politician, and financier Benjamin Franklin (1706-1790), because he served during the American Revolutionary War Drafted the famous Declaration of Independence. On the back is the Independence Memorial Hall in Philadelphia.
On the front of the $500 coupon is the portrait of William McKinley (1843-1901), the 25th President of the United States, who is known as the "Prosperous President". On the back is the denomination "500" in lowercase letters in different sizes.
Reference: Baidu Encyclopedia-USD