Albums I bought when they came out . . . . . . . 

Captain Beefheart - Zig Zag Wanderer (Mono Vinyl Mix)

1966 Safe As Milk Mono Vinyl LP

YOUTUBE.COM

I have this album in various pressings from three different labels and forget now which (Buddha and Marble Arch for two . . . ) but the original is the best in mono! Back to Valve! Back to Mono!