Quite a different time. The prize for a correct entry was a carton of cigarettes!
Clever marketing. You had to listen to a radio show called "Your Hit Parade" then guess which of the 15 songs played would finish 1, 2 & 3 at top of the charts for a specific week. This card here is dated July 22, 1936. Out of curiosity, here are chart toppers for week of July 25, 1936
YOUR HIT PARADE SINGLES CHART FOR JULY 25,1936 PK Song-Artist 1 TAKE MY HEART-EDDY DUCHIN 2 THE GLORY OF LOVE-Helen Ward & Benny Goodman 3 THESE FOOLISH THINGS REMIND ME OF Helen Ward & Benny Goodman 4 YOU CAN'T PULL THE WOOL OVER MY EYES-Helen Ward & Benny Goodman 5 IS IT TRUE WHAT THEY SAY ABOUT DIXIE-Jimmy Dorsey 6 IT'S A SIN TO TELL A LIE-Fats Waller 7 THERE'S A SMALL HOTEL-Maxine Gray,Hal Kemp & His Orchestra 8 ON THE BEACH AT BALI-BALI-Conee Boswell 9 WOULD YOU?-Joe Sundy,Hanry King & His Orchestra 10 LET'S SING AGAIN-Fats Waller 11 Cross Patch-Fats Waller 12 Robins & Roses-Bing Crosby 13 When I'm With You-Hal Kemp 14 Afterglow-Leo Reisman Orchestra 15 She Shall Have Music-Buudy Clark,Lud Gluskin & His Orchestra