I am clearing out my deceased brother-in-law's house and wish to sell a pair of 1970's Klipsch Heresy speakers. They are walnut colored and have a triangular PWK emblem in the top corner of each speaker. On the back they each have an H-WO and a six digit serial number. The serial number on one speaker is a single digit higher than the other one . They are in excellent condition. I don't know how much I should sell them for. I am in the Boston area and ideally want to sell them to someone who will pick them up from me. Thank you for your time. Nancy W.