Test: Do you have the potential for investment? If you travel abroad and come to a foreign flea market to go shopping. The prices of items in the market are extremely flexible. Friends tell you that you can also find many items with potential for appreciation here, which are hard to buy after returning home. Which type of item would you tend to "look for"? 1. Antique cameras 2. Handwoven carpets 3. Ancient silver jewelry 4. Calligraphy and painting artworks