There are a bunch about a 187 in the silver
War Nickels 1942, 1943, 1944 and 1945 there are also several minors ones that are not listed as well.
1942-P goes all the way up to the RPM-040
a cool 1942-P is the 1942-P RPM-001 is a P/P/P/P West, West, & South
1943-P goes all the way up to the RPM-062
a cool 1943-P is the 1943-P RPM-037 P/P/P East, East
1944-P goes all the way up to the RPM-026
a few cool 1944-P is the 1944-P RPM-007 P/P/P East, West, 1944-P RPM-017 P/P/P East, 1944-P RPM-019 West, P/P/P East, West
1945-P goes all the way up to the RPM-069
there are several awesome 1945-P rpms 1945-P RPM-001 P/P/P North, South, 1945-P RPM-002 P/P/P/P North, South, South, 1945-P RPM-004 P/P/P South, Northwest, 1945-P RPM-006 P/P/P South, Southeast, 1945-P RPM-007 P/P/P South, South, 1945-P RPM-015 P/P/P East, West, 1945-P RPM-018 P/P/P North, South, 1945-P RPM-020 P/P/P/P North, South, East, 1945-P RPM-021 P/P/P East, East, 1945-P RPM-023 P/P/P West, East, 1945-P RPM-027 P/P/P East, West, 1945-P RPM-028 P/P/P East, West, 1945-P RPM-052 P/P/P East, West, 1945-P RPM-053 P/P/P/P East, West, South, 1945-P RPM-055 P/P/P East, West, 1945-P RPM-057 P/P/P/P East, East, South,
on varietyvista you can download or view online this free pdf document with images to help you attribute them.
http://www.varietyvista.com/images/JN%20BOOK.pdf