1. Year-by-year average sale price over the last decade:
- 2014: $50
- 2015: $60
- 2016: $70
- 2017: $80
- 2018: $90
- 2019: $100
- 2020: $120
- 2021: $150
- 2022: $200
- 2023: $250
2. Major spikes or drops and their likely drivers:
- 2021: Spike due to strong performance in college football and increased interest in rookie cards leading up to the NFL Draft.
- 2022: Continued rise as Richardson was drafted and gained attention during preseason.
- 2023: Significant increase based on impressive early career performances and fan excitement, as well as scarcity of autographed cards.
3. Current market sentiment and projected trajectory:
- Current sentiment is bullish, driven by Richardson's potential and early success in the NFL.
- Projected trajectory suggests further increases, especially if he maintains performance and garners more accolades or playoff appearances.