1. Watermelon inquiry video shows that the recycling price of 1966 Wushijin is 2000 yuan per piece. Because it was issued by 1966, it has certain historical value and collection value, so it will be collected and recycled by some collectors and history lovers.

2. There is no formal institution specialized in collecting food stamps. Now food stamps have been withdrawn from circulation for collection, and there are old food stamps. It is recommended to take it to the local antique market for trading, and friends who are interested in collecting will buy it.