Question: is there still value in cards that are pushing 15-20+ years old? I used to play, but i havent in a very long time, the cards are well used, and range

Question: is there still value in cards that are pushing 15-20+ years old? I used to play, but i havent in a very long time, the cards are well used, and range from common to rare. I only have maybe 160 cards.