Bounty Hunter QD II, Garrett Ace 150 & 350, Fisher ID Excel, Fisher coinstrike, Fisher Cz6, Fisher Gemini II, Garrett AT Pro, Garrett GTI 1500,Teknetiks omega 8000, Nokta Fors Gold
Have to agree with MJ, costume jewelry and usually the bigger and gaudier it is the older it is. If it has some weight to it and the metal isn't thin you can date them to the 1920's or earlier.