No deep groove on side 1 label.
(Album Stereo) Original 1st US pressing with red '360' label design + deep pressing ring on the A side[emil]
(LP Album) Album dedicated to Lenny Bruce. Red original pressing '360' label design. Side 1 (A) contains six tracks, including A4 'Homeward Bound' which wasn't present on the monaural Sounds Of Silence LP.[discogs]
Original US mono issue
uk original, boxed cbs label[matthiasb]
German pressing with squared CBS logo on orange ground.