Above picture: Personalized stamps. The stamps use 10 "Peaceful Years" stamps (zodiac paper-cuts); the attached stamps are: seal cutting, painting, and calligraphy.
Currently, there are too many personalized stamps issued, so most of them are lower than the face value. However, your version of personalized stamps has the main stamp "Safety Years Old" (a paper-cut picture of the twelve zodiac signs) and the accompanying stamp ( Seal cutting, painting, calligraphy) are subjects that many people like, so the price can be higher, of course, it mainly depends on the circulation! .
The picture below: "Hukou Waterfall of the Yellow River (Gold Foil Souvenir Sheet)" issued by China Post on November 8, 2002, serial number: 2002-21GM, face value: 8 yuan, photocopied version (pressed Relief printing), small sheet size: 130mm * 90mm, including stamp size: 60mm * 40mm, circulation: 11.5 million, printed by Beijing Stamp Factory.
The current market price of this souvenir sheet is: (top grade, bright gold foil, uncut), the selling price is 80 yuan, the purchase price is 40 yuan, and the transaction price is about 60 yuan.