Traditionally contests such as these were called "Lucky Buck" contests...but since I Love Lucy was being sponsored by Phillip Morris at the time, the writers were forbidden to include the word 'lucky' in the script for chance it might remind viewers of rival brand Lucky Strike.
Lucy: (after Lucy and Ethel tear the bonus buck) All right, Ethel, give me your half and I'll paste them together. (holding out her hand
Ethel: No, you give me your half.
Lucy: Why, Ethel Mertz! Don't you trust me?
Lucy: (shocked) What an awful thing to say!
Ethel: Well, you don't trust me!
Lucy: That's different! I know I can trust me!
Fred: We should keep the bonus buck, possession is nine tenths of the law.
Lucy: You're right, possession is nine tenths of the law, and I'm possesed, so I should keep it.
When Ricky enters the laundry room, he accidentally knocks a crow bar off the wall and the co-actress in this scene struggled briefly to find it when she had to use it.