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Born Providence Rhode Island, lives and works in New York.

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Professional documentation gives you clarity, portability, and confidence in your collection.

Learn why collectors document their holdings online

Cross-Platform Access

Your collection, accessible anywhere

Access your collection from any device with our cloud-based platform. Native mobile apps provide seamless synchronization and offline browsing, ensuring your collection data is always at hand.

Sean Mellyn

Biography

Track Sean Mellyn

Professional documentation gives you clarity, portability, and confidence in your collection.

Your collection, accessible anywhere

Sean Mellyn

Biography

Track Sean Mellyn

Professional documentation gives you clarity, portability, and confidence in your collection.

Your collection, accessible anywhere