True 1/1 Card Authentication. Period.

We authenticate real one-of-one trading cards — and nothing else matters more.

Built for One-of-One Cards

Special One Cards focuses on trading cards where uniqueness is factual, permanent, and irrepeatable.

We work with real 1/1 cards — masterpieces that don't rely on population reports, conditions, or future submissions.

Unique cards aren’t graded. They’re recognized.

SOC fotos escritorio 71 copy

What We Have To Offer

Different intents. Same rigor.

Two Authentication
Paths

True 1/1
Authentication

For cards where only one exists in the world

€99 + VAT + shipping

Authentication of factual uniqueness.

Verification of authenticity and provenance.

No grading or condition scoring.

Estimated delivery: 2–4 weeks

Fixed price. VAT and shipping additional.
Initial verification: €1 + VAT.

Submit a card

Ark of Noah
Authentication

One curated card per reference within SOC

€39.99 + VAT + shipping

One curated card per reference within SOC.

Inclusion in the Ark of Noah archive.

This does not imply global uniqueness.

Estimated delivery: 3–6 weeks

Fixed price. VAT and shipping additional.
Initial verification: €1 + VAT.

Submit a card

View Our Authenticated Masterpieces

Is your card truly one of one?

Submit it for authentication.