Precision made brass checker which is used to signify a traffic light. First shown as yellowk, then changes to green and then to red and can be examined! Mechanical!
BN - Brand New in Packaging LN - Like New (no packaging)
VF - Very Fine (slight use or blemish) FN - (some use/wear/still nice)
VG - Very Good (shows wear/use) G - (lots of use/wear)
Explanation of Terms
Vintage - (collectible/early harder to find) Rare - (very hard to find)
NLM - (no longer made or available)