Gentlemen: Two items from Collins aficionado's estate: 1 Electrovoice 620 "Press-to-Talk" Dynamic Microphone in the original box including Engineering Data pamphlet. Excellent cosmetically perfect condition. $50USD + $25USD shipping. Also a Magnum Six RF Speech Processor from the same estate in similar condition. $50USD + $20USD shipping. Pictures on request. Regards, William Edbrooke