KL Design & Import - 100 Quarter Size Brass Chinese I Ching Coins for Feng Shui (25 mm) These coins were designed and created by K.L., they are antique finished new coins. Unbendable by hands. 100 Quarter Size Brass Chinese I Ching Coins for Feng Shui WHOLESALE These are the best quality real brass coins you can find on the market They are strong and unbendable, much heavier than the cheap ones usually found on the market The diameter of each coin is about 1 inch (25mm). Size is exactly like a quarter.