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Vintage 1960's ARGONNE 99-4501 Dynamic Microphone- guaranteed to work (jl) | eBay
Vintage 1950's Argonne AR-54 “Big Walter” HiZ Crystal Bullet Microphone with Stand - Harmonica Mic | Reverb
Vintage 1960's Argonne AR-57 crystal microphone pill Japanese old RCA w stand | Musical Instruments & Gear, Pro Audio Equipment, Vintage Pro Audio Equipment | e…