'1971 US release with orange RCA 'dynaflex' labels.
A rarer version of this, also released in 1971, has 'Love Letters From' written in one line on the front cover.
'1975 reissue with light brown RCA 'dynaflex' labels.'[discogs]
(Stereo) 'Orange labels without price code and only 'LSP 4530 (APRS-1392)' under 'Side 1/2 Stereo'[christiang]
Orange labels. Label code.[werner]