NGC 5c 1977-S Jefferson Nickel on 1977-S Dime Double-Denomination PF68 Ultra Cameo

NGC 1977-S Jefferson nickel double-denomination struck over a 1977-S Roosevelt dime. The coin has the design of a dime under the nickel design, and two “1977” dates are visible. Also, the coin has a reeded edge.

Extremely rare, with only maybe 5 or 6 known 15c proof nickels on dimes. 

PF68 Ultra Cameo with deep mirrored fields and frosted devices.