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![My grandpa's old White's Coinmaster V Supreme. I just put new batteries in it and it surprisingly still works. Can anyone tell me anything about this detector and if these machines work My grandpa's old White's Coinmaster V Supreme. I just put new batteries in it and it surprisingly still works. Can anyone tell me anything about this detector and if these machines work](https://preview.redd.it/15gymac1lqw01.jpg?auto=webp&s=69e2280d72ede234cb0724af8e7b9d19661c86df)
My grandpa's old White's Coinmaster V Supreme. I just put new batteries in it and it surprisingly still works. Can anyone tell me anything about this detector and if these machines work
![original] American White Coin Master Coinmaster Gt Whites Metal Detector - Industrial Metal Detectors - AliExpress original] American White Coin Master Coinmaster Gt Whites Metal Detector - Industrial Metal Detectors - AliExpress](https://ae01.alicdn.com/kf/HTB1mSp1JFXXXXbXXXXXq6xXFXXX4.jpg_640x640Q90.jpg_.webp)