People's Republic of China, World Heritage - Temple and Cemetery of Confucius and Kong Family Mansion in Qufu, 2017, silver 10 yuan, 'Kong Family Mansion', 30 grams and gold 100 yuan, 'Portrait of Confucius', 8 grams gold,both coins proof FDC, with the original packaging and certificates of authenticity (2).
Estimate: 3500 - 5000