The 1973 Wacky Packages Series 3 (Lot of 10) Tan Backs are a collectible lot of non-sport trading cards manufactured by Topps. These cards are part of the Wacky Packages franchise and are suitable for ages 4 and up. Each card features humoristic and satirical illustrations of popular brands, making them a fun and nostalgic addition to any trading card collection. The tan backs refer to the color of the cards' backing, adding to their unique look and appeal to collectors.