This postcard was included with the 1971 Imagine album and was a response to Paul McCartney's album Ram, released four months earlier, depicting Paul with a sheep. Both albums achieved the No.1 position in the charts.

Aaaaaah!

Thanks a lot George, maybe i'll be able to get some sleep now.

H. this will make it more clear I hope if you can open these links.

http://encyklopedia.nuta.pl/pic/obr/155.gif

http://www.songlyricscollection.com/lyrics/p/paul-mccartney/ram/ram.jpg