All the tibetan silver charms are one-sided apart from the following which are two-sided:

anchor - ballet shoes (both types) - bow and arrow - butterfly (not fancy) - car (hollow inside) - celtic - cherries - chinese love - coathanger - cowboy hat - cutlass - dirtbike - double spiral - dragonfly (long) - feather - fish - fox - hollow star - mermaid - moon - musical notes - peace sign - pistol - rainbow - seahorse - ship's wheel - skeleton - spiral - star/moon - teddy bear - tennis racket - treble clef - umbrella - wing