This has a black /blue ink with iron or silver. Prob silver cuz it really reflective and it has 97 on the scale. Why would that me. It has Been written. On in a few spot. That I can see when held up in light. It wasn’t erased just worn off with time. It’s not your average reproduction. Or does it respond to Uv light can anyone provide any information on when and where or who made it and where I could send it. To have it x rayed. I do beleave it’s very old. But that’s about it .. I wanna see why it has a hand written number and whos are the peopl who’s signed it that I can bearly see thanks if u take the time to help the new guy I’m a stamp guy

