Model 678 is the 1982 version in "Antique Silver" finish. Original retail $13.95. Model 677 is the same design in Brass, and Model 682 is Brass with Rhodium plate and a gold plated Eagle. Retail $49.95 in 1982. Only 2500 of the Model 682 were produced. The design was conceived by Domingos Joaquim of the S&W Custom Dep't. who cut the hub from which the die was made. Ed.