Slabline
slabline.ai · Risk Intelligence
For collectors with six- and seven-figure portfolios

Your collection is appreciating.
Your insurance schedule isn't.

Price guides tell you what your collection is worth. Slabline tells you what's at risk. Insurance gaps, concentration exposure, storage vulnerabilities, and the slow drift between what your collection cost and what it's worth today.

Open the live demo See how it works No signup. Sample data loaded.
Price guides & trackers

Track values. Show charts. Compare comps. Tell you what your portfolio is worth on the way up.

Slabline

Tells you what's at risk — uninsured drift, single-position exposure, storage gaps, illiquid positions you can't unload in a crisis.

Four layers of risk, one schedule a broker will actually accept.

Most collectors carry homeowner's coverage that caps at $2,500 for collectibles, or a scheduled policy from 2019 that no longer reflects what their cards are worth. Slabline runs four assessments on your collection, surfaces the gaps, and generates the documentation your broker needs to fix them.

01 — Insurance

Schedule that stays current

Per-card market valuations, comp evidence, and methodology — formatted for direct submission to collectibles insurers. Refreshes quarterly so coverage moves with the market, not behind it.

Chubb · Distinguished · CIS · PURE
02 — Concentration

Single-position exposure

How much of your collection sits in one player, one era, one grade tier? When a market segment moves the wrong way, the answer matters. Slabline shows it in dollars, not percentages.

Player · Era · Grade · Liquidity tier
03 — Storage

Conditions that affect grade

Temperature, humidity, light exposure, fire suppression, handling frequency. Slabs degrade. Holos cloud. Ink fades. The audit flags vulnerable positions and ranks remediation by financial exposure.

Vintage at risk · Pre-1980 priority
04 — Liquidity

What can you actually sell

90-day comp volume by card. Some positions move in a week, some take eighteen months. If you ever need to liquidate, the answer should not be a surprise.

eBay · Heritage · Goldin · PWCC
The hardware layer

Self-reported storage is a questionnaire.
A Slabline Vault is sensor data.

Software answers "what could go wrong" with the data you give it. The Slabline Vault — our connected smart case — answers it with continuous measurement.

Per-slot temperature and humidity. Lid-status monitoring. Cellular GPS for transit. Storage scores become live, not annual. Insurance schedules cite sensor logs, not self-attestation. Chain-of-custody for every time the case opens.

Travel 40 · Vault 75 · Vault Pro · Q4 2026
Temperature control Self-reported
Humidity Not controlled
Storage score 62 / 100
Vulnerable value $184,200
Toggle to see the same collection with sensor data.

Pricing that matches how you actually use it.

No transaction fees. No per-card charges. Annual pricing because the value lives in quarterly deliverables and weekly intelligence, not in daily engagement.

Free
$0 forever
No credit card required

Track your collection's value and concentration. For collectors who want visibility without the deliverables.

  • Up to 100 cards by cert
  • Basic concentration analysis
  • Storage audit questionnaire
  • CSV export
Try it now →
Pro + Live
$249 / year
Slabline Vault required · Ships Q4 2026

For collectors with a connected Vault. Real-time sensor data, GPS tracking, and chain-of-custody logging.

  • Everything in Pro
  • Continuous sensor monitoring
  • Live storage scoring
  • GPS / transit alerts
  • Chain-of-custody logging
  • Sensor-backed insurance schedule
Join hardware waitlist →

Built for the collectors who need this.

Slabline is for collections where the answer to "what happens if something goes wrong" actually matters.

$50K – $500K collectors

Past the homeowner's policy cap. The cards are worth real money but the insurance situation is held together with duct tape and a 2019 appraisal.

$500K – $5M collectors

Scheduled with Chubb, Distinguished, or CIS. Working broker relationships. Need quarterly updates and concentration discipline as the portfolio compounds.

Family offices & advisors

Managing collectibles as an alternative asset class. Need defensible documentation, concentration reporting, and liquidity profiles in the same format as other holdings.

Questions, answered.

How is Slabline different from a price guide or portfolio tracker?
Price guides and trackers are excellent at what they do — telling you what a card is worth on a given day. Slabline operates on a different layer: what could go wrong with your collection as a whole. Insurance gaps, single-position concentration, storage vulnerabilities, the slow drift between what your collection cost and what it's worth today, and liquidity risk if you ever need to sell quickly. Different question, different toolset, and they complement each other. Many subscribers use a price guide for daily value tracking and Slabline for quarterly risk documentation.
Will my broker actually accept the schedule?
The PDF is formatted to the conventions used by Collectibles Insurance Services, Distinguished, and Chubb Masterpiece — per-card valuation, comp evidence with sources, and methodology disclosure. Subscribers refresh quarterly to keep coverage current as the collection appreciates. If your broker needs a different format, we'll customize.
Does this work with my actual cards?
Yes. Production hooks into PSA, BGS, SGC, and CGC cert verification — paste your cert numbers and Slabline fetches card details, current market value, and pop report data automatically. The live demo uses sample data; your subscription pulls from your real collection.
What about the Slabline Vault hardware?
Software and hardware are independently useful. The software (this) launches in 2026 and works without a case. The Vault (connected smart case with per-slot continuous monitoring, GPS, and chain-of-custody) ships Q4 2026 and deepens the storage and provenance layers. Pro subscribers get founding-member pricing when the hardware launches.
Why $149 per year and not $9.99 per month?
The value lives in quarterly deliverables (insurance schedule refresh) and weekly intelligence, not in daily engagement. Annual pricing matches how serious collectors actually use the product — 5 to 15 minutes per week, with the meaningful work happening at refresh time.
Who is behind Slabline?
Slabline is a product of Hobby Smart Case, Inc. — a Delaware C-Corp founded in 2025. The team has 20+ years of direct-to-consumer and eCommerce operator experience at Apple, UPS, Avid Technology, and Dr. Brandt Skincare, and is partnered with ColorCase Las Vegas (the largest independent Pelican distributor in North America) for hardware manufacturing.

See your actual exposure in under two minutes.

The demo loads three sample collector portfolios. Toggle between them to see how Slabline scores baseball, basketball, and Pokémon collections — and what changes when the cards move into a connected Vault.

Open the demo → Schedule a 20-minute walkthrough