Fjf-2003-23 stamps, what's the price?

China Post has never issued "fjf -2003-23y Stamp". Do you mean 2003-23?

China Post issued the commemorative stamps of the 16th Asian International Stamp Exhibition 2003 in China on October 20th, 2003. This set of stamps contains 1 stamp. Photographic version, 13 degree perforated, stamp specification: 36mm * 36mm, number of sheets: 20 (5 * 4), circulation:120,000 sets, photographer:, designer: Wang, editor: Shi Yuan, printed by Beijing Stamp Factory.

At present, the market price of the stamps is: (new top grade) selling price in 2 yuan, buying price in 0.8 yuan, transaction price 1.5 yuan; ? 0.5 yuan.

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Note: This set of stamps is a commemorative stamp. Its seal number is: 2003-23(J). No? 2003 - 23T？