Vintage DeArmond /Rowe&Co Volume pedal USA 1973 works

What can I say , a little piece of history, Vintage 1973 DeArmond Volume pedal , made in Ohio H. N. Rowe and Co. Model 602, Internal wiring looks original , and has date stamped Feb 28 th 1973.(see pic) Input and output are labeled Inst and amp. Very cool. has all original little rubber feet and works great, pot isn't even scratchy. This one appears to be all original , if you are a vintage gearhead, this might be worth the low start price just to have in your collection. Please ask all questions ,ships to lower 48 only . Less than 10 feedback e-mail me first. Thank You