The Rocky Horror Guitar
From RockyWiki

Cosmo with the Rocky Horror Guitar
The Rocky Horror Guitar was created by Cosmo at The Hetzer Guitar Company in Cincinnati, Ohio with the project completion date of October 4th, 2004. The guitar was auctioned off at The Celluloid Jam #1, a Rocky Horror Convention in 2009 in Ft. Mitchell, Kentucky. The guitar yielded a winning bid of $110. The guitar was won by Christopher Lee Froehler from the Sins O' The Flesh cast from California. The guitar measured 54" head to tail.