On a box containing "1 EA. MICROPHONE T-17-E WITH COVER M-367" is the stamping: VPP 2/45 What does the VPP mean? tnx- Hue -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mailman.qth.net/pipermail/milsurplus/attachments/20170131/50652a06/attachment.html>