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.

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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

All Sets (170)A Piece of History 500 Club: Frank Robinson (0)Variation Base Set (90)Cyber (25)Variation HoloGrFX (10)Variation Hyper (20)Variation Nitro (10)Variation Warp Zone (15)Variation

#	Player	Team	Raw	PSA 9	PSA 10	eBay
N1	Ken Griffey Jr.	SEA	$5.00	$38.00	—	eBay
N10	J.D. Drew	STL	—	—	—	eBay
N2	Cal Ripken Jr.	BAL	$2.99	—	$33.96	eBay
N3	Frank Thomas	SOX	$3.00	—	—	eBay
N4	Greg Maddux	ATL	$2.99	—	$43.99	eBay
N5	Mike Piazza	NYM	$1.00	—	—	eBay
N6	Alex Rodriguez	SEA	$1.00	—	$6.00	eBay
N7	Chipper Jones	ATL	$1.99	—	—	eBay
N8	Derek Jeter	NYY	$5.00	—	—	eBay
N9	Mark McGwire	STL	$0.71	$10.37	—	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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1999 UD Ionix Baseball — FAQ

Frequently Asked Questions

How many cards are in the 1999 UD Ionix Baseball set?▼

The 1999 UD Ionix Baseball checklist has 170 cards. Browse the full checklist with live prices above.

What is the most valuable 1999 UD Ionix Baseball card?▼

Among cards we track, the Alex Rodriguez carries the highest PSA 10 value in 1999 UD Ionix Baseball at about $2,000. See the full Most Valuable Cards ranking above; values move with the market.

How can I check 1999 UD Ionix Baseball card values?▼

Every card in the checklist shows live raw and graded (PSA) market values from recent eBay sold listings. You can also scan any card free to identify it and get its current value plus a grading read.

As an eBay Partner, AgentGrail may be compensated when you click through to eBay and complete a purchase. Affiliate revenue does not affect our AI verdicts or pricing — see our methodology.

Predictions on this page are generated by AgentGrail AI and may be inaccurate. Verify any condition or pricing claim before making a purchase decision.

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Compiled by the AgentGrail team