- Better than a birthday. Now from Post Cereals, not one but two free bonus offers. Bonus offer number one is for mother and dad. Sets of four lovely Grandma Moses prints in rich, warm colors, ready for framing. These beautiful prints by one of America's most beloved artists depict the four seasons of the year. In many arrangements, these Grandma Moses prints will add new beauty to your home Bonus offer number two from Post Cereals is for the youngsters. It's a full color cardboard cutout set of Roy Rogers, double R bar ranch with lifelike cutouts of Roy Rogers, Dale Evans, Pat Brady, Bullet, and Nellybell. 18 pieces in all. Here's how easy it is to get either or both of these grand bonus offers free. Look for this special box of Grape-Nuts Flakes at your groceries. All you need for either offer is this free bonus offer box top and four additional box tops from regular size Post Cereals. Send no money. Complete directions are printed on the back and side of those special Grape-Nuts Flakes package. So tomorrow, take home this special package of Grape-Nuts Flakes, send for your Grandma Moses prints and your Roy Rogers cutouts right away.