They came with 2 bumper stickers with pyramids on them, in two different hues, one yellow, one brown. (Wish You Were here came with a postcard.) As for the posters, there is no big difference in rarity, the US pressings had the green poster, while the UK pressings had the blue.

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"You hear the night birds calling you,
But you can't catch the words they say,
Close ears and eyes,
Be on your way"

-The Narrow Way

__________________
"You hear the night birds calling you,
But you can't catch the words they say,
Close ears and eyes,
Be on your way"

-The Narrow Way