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Inventorying, Documenting, Evaluating and Preserving your coin and currency collection with care and confidentiality.

© 2025. All rights reserved. Sioux Collective, LLC. Collections are not kept at home.

OBJECTIVITY. INDEPENDENCE. TRUST.

Sioux Collective, LLC

Sheldon, Iowa

sam@siouxcollective.com

Sam Kooiker, Founder