Mono Monday: 400

It seems hard to believe, but the Mono Monday challenge has been going for 400 weeks so this week the theme is '400'.  I couldn't think of anything representing 400 so instead I've gone for four views of the cover of Haircut 100's 1982 album 'Pelican West' as, of course, 4 x 100 = 400.  Being 1982 it would have been an LP but it was re-released on CD and as I'm sure you know, CD is 400 in Roman Numerals.