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 8 1973 Topps Mike Schmidt #615 worth?

A PSA 8 1973 Topps Mike Schmidt #615 is worth approximately $1,661, based on recent comparable sales. Card values fluctuate with the market.

What's the difference between a Grade 9 and a Gem Mint 10 Mike Schmidt?

For the 1973 Topps Mike Schmidt #615, a Grade 9 is worth about $3,183 while a Gem Mint 10 is about $9,362 — the grade gap is roughly $6,179.

How does Slabline value the Mike Schmidt 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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1973 Topps Mike Schmidt #615

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 8 is worth — from real comparable sales.

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1973 Topps checklist→Baseball market index-2.5% 1W

Estimated value · PSA 8

$1,661

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Tracked history · PSA 8

Price checked today · last recorded sale 8 days ago at Fanatics Collect (PSA 8) · 9 sales in the last 90 days

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Value by grade

How much the 1973 Topps Mike Schmidt #615 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	$434est.	estimate
Grade 7	$434est.	estimate
Grade 8	$1,661est.	estimate
Grade 9	$3,183est.	estimate
Grade 9.5	$6,152est.	estimate
Gem Mint 10	$9,362est.	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 Baseball sales →

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 · 131 sales · 2023–2026

▲ 45.8% first → latest

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

Sep 11, 2026 · Fanatics Collect · PSA 8$1,750
Sep 10, 2026 · eBay · PSA 8$1,852
Sep 3, 2026 · eBay · PSA 8$2,090
Aug 25, 2026 · eBay · PSA 8$2,000
Jul 31, 2026 · Marketplace · house pending · PSA 8$1,588
Jul 30, 2026 · eBay · PSA 8$1,636
Jul 10, 2026 · eBay · PSA 8$1,758
Jun 29, 2026 · eBay · PSA 8$1,900
Jun 18, 2026 · eBay · PSA 8$1,825
Jun 11, 2026 · eBay · PSA 8$1,800

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Frequently asked

How much is a PSA 8 1973 Topps Mike Schmidt #615 worth?: A PSA 8 1973 Topps Mike Schmidt #615 is worth approximately $1,661, based on recent comparable sales. Card values fluctuate with the market.
What's the difference between a Grade 9 and a Gem Mint 10 Mike Schmidt?: For the 1973 Topps Mike Schmidt #615, a Grade 9 is worth about $3,183 while a Gem Mint 10 is about $9,362 — the grade gap is roughly $6,179.
How does Slabline value the Mike Schmidt 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.