1980 China Mint Set 7 Coins in Black & Blue Soft Wallet. Very Rare 1980 China 7 Coin Set. 1 Fen, 2 Fen, 5 Fen, 1 Jiao, 2 Jiao, 5 Jiao & 1 Yuan. Includes Original Mint Black & Blue Soft Pack. Local Pick-up is available in our showroom. Your continuing satisfaction is very important to us. As one of the largest Coin & Jewelry Companies on the west coast, and also one of the best gold buyers, Continental has been the destination for coins, jewelry, fine art and collectible buyers and sellers for over 45 years. All items for sale are available for viewing at our Southern California showroom. We would like to thank all of our loyal customers for their continued support. Continental Coin and Jewelry Company Web Department.