These were issued in sets along with a three cent and 5 cent piece. To view the set, click
These were struck in the following combinations:
Nickel J605/P670 which is relatively common with 3 or 4 dozen known.
Copper J606/P671 with over a half dozen known.
Aluminum J607/P672. This appears to be unique with only the Woodside coin appearing to exist.
Photo courtesy of Bowers and Merena.