Mary and Dale started helping people find coins for their collections in 1972 while stationed at Holloman AFB in New Mexico. D & M Coin Co was first located in Alamogordo, New Mexico. For one year D & M Coin Co was relocated in Phoenix, AZ while stationed at Luke AFB. Since 1975 D & M Coin Co has been located in Bolivar, Missouri and the show cases can be viewed 6 days a week at 103 N. Main in Bolivar. JoAnna joined D & M Coin Co in 1986 and has been active ever since.