The Hawker is a man who seldom stops by your farm. He can sometimes bring you good fortune, but other times he will rip you off with fake items. Below is a list of items that the Hawker will sometimes sell you.
Cost: 20000 Gold
Time: Winter, Year 1
He says that this is a money tree bringing you many riches, but really it is a Bell Tree. It turns out very useful because it calls in your animals at night.
Cost: 1 Cow (trade it to him)
Time: Fall, Year 2
Plant the Magic Bean at the summit of the mountain. It will grow into a tall Bean Stalk, climb it and you will receive a Golden Chicken. Sell it to the Peddler for 10000 Gold.
Cost: 1 Chicken (trade it to him)
Time: Fall, Year 1
Trade a Chicken to him for a Magic Berry which turns out to be a Power Berry.