The following are key tests you should look for;
1. The item should be magnetic.
2. Should have two upright standing lions with a palm tree in between the lions.
3. The palm tree MUST have exactly five leaves on top.
4. A human portrait or wrist fists clenched on the other side.
5. Turns warm then hot when shaken.
6. When shaken, it must have some liquid inside.
7. It MUST not be indicated in weights of metric counting e.g kgs/gms etc. It should in pounds, i.e Lbs. (these items were in use before metric counting came into use.)
8. Turns blue pen to red.
9. Distorts mobile receptions or radio for that matter.
10. Copper/golden color in appearance