Dale Posts an Ad in the Local Newspaper-"$100 Reward for the Return

Essay

Dale posts an ad in the local newspaper-"$100 reward for the return of my dog,Buster"-with a picture.Henry,after seeing the newspaper advertisement,finds that a dog has strayed into his garden.Henry checks the dog's collar that has a tag with Dale's address and returns the dog.Is Henry legally entitled to the $100 reward? Explain.