Sioux Collective
Coin & Currency Consultation
Independent Coin & Currency documentation, preservation, and sales preparation services
Sheldon, Iowa
Expert inventorying, documentation, preservation, appraisal & valuation services for coins and currency in NW Iowa. Serving families, heirs, estates, conservators, executors and the individual.
Appraisal / Valuation Services
A clear-eyed independent review, not by a dealer with an agenda. Don't just take them to a dealer, you could get a fraction of their value.
Sioux Collective will help ensure proper preservation and smart storage strategies. Never clean coins or iron currency.
Preservation Tips
Inventorying / Documentation
Important for insurance inventory, estates, and sale preparation.
Your trusted partner in coin and currency inventorying, preservation and appraisal / valuation for Northwest Iowa.
Preservation & Valuation
Expert services for collectors, heirs, and estates in NW Iowa. Fair fees and confidential consultations.
Initial Consultation
Free initial consult to assess your collection and ensure fair division with heirs and preservation.
Inventory & Valuation
Professional inventorying and valuing of your coins and currency to establish a fair insurance, or being informed for an estate division or sale of a collection.
An independent review of your Coins & Currency
Helping you evaluate, inventory and preserve your treasures with expertise based on many years of experience.
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