baseball · 1989
1989 Upper Deck #1 RC
Ken Griffey Jr. · Upper Deck · #1
- Last sale
- $2,850
- 30d move
- +1.8%
- PSA 10 pop
- 612
- PSA 9 pop
- 4,820
Updated May 16
Comp history
Comp history
PSA 10
Modeled comp series for demonstration. Live marketplace data connects when sources are enabled.
Recent sales
Five most recent sold comps in the trailing window.
| Date | Grade | Marketplace | Price |
|---|---|---|---|
| May 16 | PSA 10 | Heritage | $2,850 |
| May 13 | PSA 10 | 130point | $2,957 |
| May 09 | PSA 10 | PWCC | $2,890 |
| May 07 | PSA 9 | eBay | $1,735 |
| May 04 | PSA 10 | Heritage | $2,485 |
Active listings
Population
Pop report
PSA / SGC / BGS
Insight
AI insight
Generated from comps, news signals, and pop-report deltas.
Ken Griffey Jr.'s 1989 Upper Deck Base in a PSA 10 is holding steady over the trailing 30 days, with the median sale moving -1.4% across roughly 9.3 sales per month. Price dispersion sits at 26.1%. The 30-day projection centers near $2,467 (band $580.33 to $4,353). Comp depth is moderate at 56 sales over the window.
-1.4% 30d median, flat
9.3 sales/mo, 26.1% dispersion, moderate depth
2 outlier sales flagged in the window
Risk
Comp sample is moderate but thins across adjacent grades. Reversal is possible on broader segment moves.