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INSURED SHIPPING · VERIFIED AUTHENTICATION · SECURE CHECKOUTINSURED SHIPPING · SECURE CHECKOUT
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Harmony CollectHarmony FitnessHarmony TrendsHarmony Lux

One house.Four stores.One standard.

If we would not buy it ourselves, we do not sell it.

Four stores, one accountEvery graded card certifiedChosen, not listedOne house, four stores, one standard
Four stores, one accountEvery graded card certifiedChosen, not listedOne house, four stores, one standard

Real authentication

Every card ships with a certification number you can verify at PSA or CGC.

Priced with data

We publish the market comparable next to the price. No guesswork.

Insured shipping

Rigid packaging, insurance included and tracking across all four stores.

One single account

One cart, one history and one membership for the whole ecosystem.

The four stores

STORE 01
HARMONY COLLECT

Graded cards with verifiable certification. Buy outright, hold the title in your own wallet, sell through the vault, and use the arbitrage terminal we run ourselves before every bid.

Enter the store

Arbitrage

PRO membership: live auction monitoring and margin alerts.

Tokenization

Hold the title in your wallet. The slab stays in the vault.

Vault

We store, photograph and sell for you. You get paid when it sells.

STORE 02
HARMONY FITNESS

High-performance equipment: steel, grip and a lifetime warranty. Little apparel, a lot of iron.

Enter the store
STORE 03
HARMONY TRENDS

Technology and whatever is moving right now. Short curation, fast rotation.

See what dropped →
STORE 04
HARMONY LUX

Branded watches and solid gold, with documented appraisal and authentication.

See the pieces →
HARMONY COLLECT PRO · MEMBERSHIP

The terminal we buy with, now available to you

Live auction monitoring, alerts when a card closes below its comparable, a calculated bid ceiling and your inventory with real margin. Free for 14 days.

$29/mo
TRADER
$79/mo
PRO · VAULT INCLUDED
TODAY'S OPPORTUNITY

Mega Dragonite ex #271 CGC 10

+41.2%vs eBay comps

Start 14-day free trial