What is the Slabline Score?

The Slabline Score is a credit-style 0–1000 protection score for a graded trading-card collection, blended from five weighted factors: Insurance (35%), Concentration (25%), Storage (20%), Liquidity (10%), and Provenance (10%). Higher is better; bands run A (≥880) to F (<400).

How does Slabline value my graded cards?

Each card is valued from recent comparable sales for the exact graded card (by certification number and grade), aggregated across eBay, Heritage, Goldin, and PWCC. More comps yield a tighter, higher-confidence value.

Does Slabline sell insurance?

No. Slabline is software that produces broker-ready insurance schedules and risk reports. It is not an insurer, broker, or appraiser and does not provide insurance, financial, or legal advice.

Which cards and categories does Slabline support?

Graded slabs from PSA, BGS, SGC, and CGC across baseball, basketball, football, soccer, Formula 1 / racing, hockey, Pokémon, and Magic.

How much does Slabline cost?

There is a free Ledger tier for up to 25 cards. Collector is $99/year (or $9.99/month) and removes the card limit for an unlimited collection. Insured is $149/year (or $14.99/month) and adds broker-ready insurance schedules and a weekly intelligence brief. A Vaulted tier adds connected Hobby Smart Case hardware.

What is the Hobby Smart Case?

A connected travel case (Travel 40, 75, and Pro) with per-slot temperature, humidity, light, and tamper monitoring, plus GPS location and a chain-of-custody log — turning storage risk into live, sensor-verified data. Launching Q2 2027.

How much is a PSA 10 1998 Topps Chrome Michael Jordan [Preview] #77 worth?

A PSA 10 1998 Topps Chrome Michael Jordan [Preview] #77 is worth approximately $41, based on recent comparable sales. Card values fluctuate with the market.

What's the difference between a Grade 9 and a Gem Mint 10 Michael Jordan [Preview]?

For the 1998 Topps Chrome Michael Jordan [Preview] #77, a Grade 9 is worth about $14 while a Gem Mint 10 is about $41 — the grade gap is roughly $27.

How does Slabline value the Michael Jordan [Preview] card?

Slabline values each graded card from recent comparable sales of the exact card and grade, aggregated across eBay, Heritage, Goldin, and Fanatics Collect. More sales yield a tighter, higher-confidence estimate.

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1998 Topps Chrome Michael Jordan [Preview] #77

Q: How does Slabline value my graded cards?

Each card is valued from recent comparable sales for the exact graded card (by certification number and grade), aggregated across eBay, Heritage, Goldin, and PWCC. More comps yield a tighter, higher-confidence value.

Q: Does Slabline sell insurance?

No. Slabline is software that produces broker-ready insurance schedules and risk reports. It is not an insurer, broker, or appraiser and does not provide insurance, financial, or legal advice.

Q: Which cards and categories does Slabline support?

Graded slabs from PSA, BGS, SGC, and CGC across baseball, basketball, football, soccer, Formula 1 / racing, hockey, Pokémon, and Magic.

Q: How much does Slabline cost?

There is a free Ledger tier for up to 25 cards. Collector is $99/year (or $9.99/month) and removes the card limit for an unlimited collection. Insured is $149/year (or $14.99/month) and adds broker-ready insurance schedules and a weekly intelligence brief. A Vaulted tier adds connected Hobby Smart Case hardware.

Q: What is the Hobby Smart Case?

A connected travel case (Travel 40, 75, and Pro) with per-slot temperature, humidity, light, and tamper monitoring, plus GPS location and a chain-of-custody log — turning storage risk into live, sensor-verified data. Launching Q2 2027.

What a PSA 10 is worth — from real comparable sales.

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1998 Topps Chrome checklist→Basketball market index-0.1% 1W

Estimated value · PSA 10

$41

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Tracked history · PSA 10

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Value by grade

How much the 1998 Topps Chrome Michael Jordan [Preview] #77 is worth at each grade.

How to read this page: an estimate is Slabline's figure for a grade, built from the source named beside it. An observed price is the latest price a grader's copy of this card fetched, one cell per grader and grade in the grid below. A recorded sale is a dated transaction with its venue. The headline above is the estimate for this slab's own grade.

Grade	Value	Built from
Raw / Ungraded	$2.36est.	estimate
Grade 7	$2.87est.	estimate
Grade 8	$7.36est.	estimate
Grade 9	$14est.	estimate
Grade 9.5	$27est.	estimate
Gem Mint 10	$41est.	estimate

Estimated from this category's observed grade curve and this card's known value — no per-grade sales recorded yet. Estimates, not observed prices.

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Recorded sales · all grades

Highest Basketball sales →

Marketplaces (19)

eBay, Fanatics Collect, Alt, MySlabs, Goldin and Heritage records arrive through CardHedge's licensed feed; REA, SCP and Huggins & Scott are read from each house's published prices realized.

Sales seen on eBay, Fanatics Collect, Goldin, Heritage, Alt and MySlabs, via CardHedge. "Marketplace · house pending" is a real CardHedge sale whose house is not matched yet.

All venues · 19 sales · 2021–2026

▲ 45.2% first → latest

Hover for any sale · click to find it in the list

Mar 15, 2026 · Marketplace · house pending · PSA 10$4,500
2025Dec 16, 2025 · Marketplace · house pending · PSA 10$3,500
Oct 27, 2025 · Marketplace · house pending · PSA 10$4,127
Oct 19, 2025 · Marketplace · house pending · PSA 10$3,100
Oct 18, 2025 · Marketplace · house pending · PSA 10$4,000
May 10, 2025 · Marketplace · house pending · PSA 10$4,000
Feb 10, 2025 · Marketplace · house pending · PSA 10$1,900
2024Oct 14, 2024 · Marketplace · house pending · PSA 10$1,710
Jul 2, 2024 · Marketplace · house pending · PSA 10$1,300
2023Oct 8, 2023 · Marketplace · house pending · PSA 10$1,575

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Frequently asked

How much is a PSA 10 1998 Topps Chrome Michael Jordan [Preview] #77 worth?: A PSA 10 1998 Topps Chrome Michael Jordan [Preview] #77 is worth approximately $41, based on recent comparable sales. Card values fluctuate with the market.
What's the difference between a Grade 9 and a Gem Mint 10 Michael Jordan [Preview]?: For the 1998 Topps Chrome Michael Jordan [Preview] #77, a Grade 9 is worth about $14 while a Gem Mint 10 is about $41 — the grade gap is roughly $27.
How does Slabline value the Michael Jordan [Preview] card?: Slabline values each graded card from recent comparable sales of the exact card and grade, aggregated across eBay, Heritage, Goldin, and Fanatics Collect. More sales yield a tighter, higher-confidence estimate.

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Values are informational estimates built from recent comparable sales — not a certified appraisal, insurance, or financial advice. Card values fluctuate; figures are a snapshot and may differ from a realized sale.