Authentication
Our team of specialists works with the leading third-party authentication services to verify the provenance, authenticity, and attribution of items across all major collecting categories.
- Third-party grading (PSA, CGC, PCGS, NGC, JSA)
- In-house provenance research
- Scientific analysis and technical examination
- Certificate of authenticity documentation
Appraisals
Whether you need a market value estimate for insurance, estate planning, or a potential sale, our specialists provide written appraisals that meet USPAP and IRS standards.
- Insurance replacement value appraisals
- Fair market value for estate and tax purposes
- Charitable donation appraisals (IRS Form 8283)
- Single-item and collection appraisals available
Storage & Shipping
Climate-controlled, museum-grade storage facilities and white-glove shipping services ensure your property is protected from the moment it leaves your hands to the moment it reaches the buyer.
- Climate-controlled, alarmed vault storage
- Custom crating and packing by trained handlers
- Domestic and international shipping
- Export documentation and customs clearance
Insurance
All property in Agnew's care is covered under our blanket fine art and collectibles insurance policy. We also partner with leading specialty insurers to help collectors secure long-term coverage for their holdings.
- Automatic coverage during transit and storage
- Referrals to specialist fine art insurance brokers
- Assistance with claims documentation
- Valuation updates for existing policies
