我通常將佢哋放落個兜度放到換幣車嚟就全部倒曬落去入落八達通
去地鐵站counter增值 759阿信屋買嘢散紙尾數入八達通都得
coin dragon
https://coindragon.io/?gad_source=1&gad_campaignid=22313726631&gclid=CjwKCAjwvqjOBhAGEiwAngeQnXoJmueaSvKL8q1iVUdxYV07gRybMCHSZK9CphF9XzGGH7FfdKDUcRoCUp4QAvD_BwE
HKMA散銀車
https://www.hkma.gov.hk/media/chi/doc/key-functions/monetary-stability/notes-and-coins/chi_coin_collection.pdf