I have been collecting for 30 year and these forums sometimes confuse me more than educate me. I have many signal blitzes and trade badges that i believe to be original. Under black light some of the bottle neck green ones look slightly brown. I also have many pairs of RFV Zoll shoulder boards that the underside green looks brown under the black light. I know these to be original. I know the black light test is controversial but were all of these wool or were some of them felt ? Is that why they are changing color or are them fake. Any insight would be great.
Thanks
Joe
I have been collecting for 30 year and these forums sometimes confuse me more than educate me. I have many signal blitzes and trade badges that i believe to be original. Under black light some of the bottle neck green ones look slightly brown. I also have many pairs of RFV Zoll shoulder boards that the underside green looks brown under the black light. I know these to be original. I know the black light test is controversial but were all of these wool or were some of them felt ? Is that why they are changing color or are them fake. Any insight would be great.
Thanks
Joe
Post some photos of the blitzes,that makes it easier to judge them.
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