Most valuable LP

LPs can’t hold a candle 🕯 to cassettes in terms of value 💰 

http://www.valueyourmusic.com/most-valuable/cassette/last-week

I bought a bunch of RCA Living Stereo shaded dogs and Mercury Living Presence LPs in the late 80s, about 150 LPs, from an antique book collector for $450 and sold them to a guy visiting the DC area from Tennessee two weeks later for $4000.