1999 UD Ionix Baseball Checklist
Unknown · 1999 · Baseball · 170 cards across 7 sets
The 1999 UD Ionix Baseball checklist includes 170 cards across 7 sets from Unknown.
Most Valuable 1999 UD Ionix Baseball Cards
Alex Rodriguez
#HG6
$2,000.00 PSA 10
Frank Thomas
#WZ3
$341.00 PSA 10
Edgar Renteria
#28
$285.87 PSA 10
Mark McGwire
#WZ9
$91.00 PSA 10
Ken Griffey Jr.
#R86
$85.00 PSA 10
Frank Thomas
#18
$55.00 PSA 10
Ranked by AgentGrail Market Value (PSA 10) from recent eBay sold listings. Estimates, not offers. · How we price
| # | Player | Team | Flags | Raw | PSA 9 | PSA 10 | eBay | |
|---|---|---|---|---|---|---|---|---|
 | WZ1 | Ken Griffey Jr. | SEA | $300.00 | — | — | eBay | |
| WZ10 | Juan Gonzalez | TEX | $40.00 | — | — | eBay | ||
 | WZ11 | Kerry Wood | CHI | $2.00 | — | $41.00 | eBay | |
 | WZ12 | Tony Gwynn | SAN | $79.95 | — | — | eBay | |
| WZ13 | Scott Rolen | PHL | $3.00 | — | — | eBay | ||
 | WZ14 | Nomar Garciaparra | BOS | $36.00 | $80.00 | — | eBay | |
| WZ15 | J.D. Drew | STL | $4.00 | — | — | eBay | ||
| WZ2 | Cal Ripken Jr. | BAL | $33.00 | — | — | eBay | ||
| WZ3 | Frank Thomas | SOX | $68.00 | — | $341.00 | eBay | ||
 | WZ4 | Greg Maddux | ATL | $55.00 | — | — | eBay | |
| WZ5 | Mike Piazza | NYM | — | — | — | eBay | ||
| WZ6 | Alex Rodriguez | SEA | $5.00 | — | — | eBay | ||
| WZ7 | Chipper Jones | ATL | $87.00 | — | — | eBay | ||
 | WZ8 | Derek Jeter | NYY | $37.00 | — | — | eBay | |
| WZ9 | Mark McGwire | STL | $35.00 | — | $91.00 | eBay |
AgentGrail Market Value — based on recent eBay sold listings and market sales data · updated Jul 10, 2026 · How we price
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