1.62 back green 1 corner: single concave printing on the front of the ticket, touching the font pattern, with strong sense of convexity and concavity; There are two versions, one is that there is the word "person" in the middle of the two blades of grass in the upper left corner of the manager's chapter, and the other is that there is no "person" in the corresponding position. For other similar secret banknotes, there is a letter "A" at the upper end between the sixth and seventh railings on the right side of the main entrance of the ticket face, a letter "J" at the upper left of "A" and an "X" below (but others may be due to different versions of banknotes, different banknote factories and different printing batches, and some places where the position of "X" is memorized look like a "one".
2.62 back green 1 corner (with watermark): the main pattern is "combination of education and productive labor"; Because the main color on the back of the ticket is green, there are irregular hollow star watermarks, so it is generally called "back green watermark"; There is a very small amount, and the steganography of the back green watermark is the same as that of the ordinary back green watermark without the word "person" Steganography has the letter "A" at the top, "Ten" at the bottom and "J" at the top left between the sixth and seventh railings on the right side of the main entrance. Steganography under "A" is horizontal lines or dotted lines, but steganography is not the key to distinguish the authenticity of back green watermark, which needs comprehensive analysis from all aspects.
3.62 Brown 1 corner offset printing blue 2 yards, 3 yards: the number is blue, 2 yards, so it is commonly known as 1 corner blue 2 yards; The release date should be in the late 1980 s, and it has a large amount of existence. The secret is that there is an "A" at the top and an "A" at the bottom between the sixth and seventh railings on the right side of the main entrance. .
62-year-old brown 1 corner offset printing red 2 yards, 3 yards: the number is red, 2 yards, so it is commonly known as flat printing (offset printing) red 2 yards; It was issued in February, 65438+67, and a lot of it was retained. There is a letter "A" and a "."on the upper end between the sixth and seventh railings on the right side of the main entrance. The word "clock" is hidden on the wrist of the first person on the left in the second row of tickets.
4.62 brown 1 corner gravure printing red 2 yards and 3 yards: the number is red, 2 yards, so it is commonly known as embossed red 2 yards; Issued in February, 65438+ 1967, with the letter "a" at the upper end and the letter "a" at the lower end between the sixth and seventh railings on the right side of the main entrance. .