Vintage Hanna-Barbera Yogi Bear Marching Band Birthday Napkins 1962 Lot of 18

Set of 18 authentic 1962 Hanna-Barbera napkins featuring Yogi Bear and his marching band parade artwork. Each napkin measures 4.75" square with colorful double-sided graphics: Yogi Bear leading with a birthday cake and additional band members on the reverse. Clear copyright stamp © Hanna-Barbera Productions, 1962. 🔸Unused with crisp folds 🔸Vivid mid-century design 🔸Rare cartoon collectible for retro décor or partyware displays