Question: Worth of my older Dragons? (list is down below)

Hello! Hope everyone is doing well! I have been planning an inventory cleanout and i found some older dated Dragons (around 2021 and 2023). I wanted to ask if it would be worth it to sell them? i feel like deleting them would be sad. xd

Cybernid: Full Mut, Laser Element, Partial Pure theme, 2023, Gen 1

Skriffei: Full Mut, BM Themed, 2021, Gen 1

Skyrix: Full Mut, 2023, Gen 1

Tarotta: Full Mut, Love Element, 2023, Gen 1