This pattern is a muling using the obverse of J615/P680 with the reverse of J618/P687.
Examples are known as follows:
Nickel or copper-nickel J617C/P684 with only one or 2 believed to exist.
Copper J617B/P685 also with only one or 2 believed to exist.
Aluminum J617A, J620A/P686 with 2 known as follows;
1) Bowers & Ruddy 1975 Winthrop, Heritage 11/12 - PCGS64
2) Simpson-Heritage 11/20 - PCGS65
This is a composite. Photos used are courtesy of Teletrade.