need help identifying the number system shown . . .?

Question

. . . on the following geocache page: http://www.geocaching.com/seek/cache_details.aspx?guid=1aea734a-a3d3-4d09-a444-4fdb84bee15c Thanks!!

Answer 1

It's Tengwar, the alphabet of the Sindar and Quenya, the Grey Elves and High Elves of JRR Tolkein's Middle Earth:

http://www.omniglot.com/writing/tengwar.htm
http://en.wikipedia.org/wiki/Tengwar
http://www.starchamber.com/paracelsus/elvish/elvish-in-ten-minutes.html