Children playing music

Front:
MABEL LUCIE ATTWELL Quel est donc ce fameux refrain ? ON'T WORRY I CANT PLAY THE DASHED THING/

Back:
שכ ALL GENUINE ATTWELL POSTCARDS MASEL HAVE THE ARTIST'S SIGNATURE THUS: - LUCIE ATTWERS COPYRIGHT. VALENTINE & SONS, LTD., DUNDEE AND LONDON. 6039 Valentine's GT. BRITAIN