Wooden Nickels - simple. cut a broomstick into tens of discks, sand them down a bit. buy a stamp, preferably a custom one with your Geocaching name and stamp with non-water based inks... not expensive and very exciting find for others.
Wow, someone went a little crazy with the zip ties to add a nano geocache to this fence post cap! (pics from Twitter stitched together & pinned to Geocache Ideas for Plastic Nanos - https://www.pinterest.com/islandbuttons/geocache-ideas-for-plastic-nanos/) #IBGCp