Andy Warhol

We offer professional authentication, appraisal, and certification services for artworks attributed to Andy Warhol (1928–1987). Whether you own a painting, drawing, print, or photograph, we provide trusted documentation and support necessary to sell, insure, or donate your Warhol work.

Our certificates of authenticity (COA) are based on a comprehensive evaluation process that includes art historical research, scientific testing, and expert analysis, backed by two decades of experience. Our reports are accepted and respected by collectors, auction houses, insurers, and tax authorities globally.

How It Works

Getting a COA for your Warhol is easy:

• Send us high-resolution photos and dimensions
• Provide any known provenance or ownership history
• We review, research, and examine the work
• Receive your full report and certificate within 2-6 weeks

We’re available to examine works anywhere in the world, and can arrange both remote assessments and in-person inspections.

About Andy Warhol

Andy Warhol revolutionized modern art through his Pop Art vision, blending consumer culture, celebrity, and fine art into an unmistakable aesthetic. From Marilyn Monroe, Campbell’s Soup Cans, to Dollar Signs and Mao Tse-Tung, his works remain instantly recognizable symbols of the 20th century.

Warhol’s studio, The Factory, produced a vast output of silkscreens, paintings, films, and photography—often involving assistants, collaborators, and mass production methods. This complexity has made authentication a nuanced process requiring expertise and documentation.

Following the closure of the Andy Warhol Art Authentication Board in 2012, independent authentication is now essential for owners seeking to verify and sell Warhol’s artworks.

Authentication Approach

We offer a thorough approach tailored for Andy Warhol artworks:

Research & Documentation

• Provenance and exhibition history analysis
• Archive and catalogue raisonné comparisons
• Studio practices and known series references

Scientific Testing

• Pigment and material analysis
• Carbon dating (where applicable)
• X-ray and ultraviolet imaging
• Forensic signature and handwriting analysis

These methods help resolve questions surrounding authorship, workshop participation, and production date.

AI-Assisted Analysis

We support our work with AI-based image recognition tools, which help assess stylistic patterns in Warhol’s known works. This augments our traditional research and adds another layer of confidence to complex cases.

Appraisal & Valuation

We provide formal appraisals for all Warhol media, from drawings to screenprints and photographs. Valuations are based on:

• Current art market trends
• Comparable auction records
• Condition, edition, and rarity

Whether for insurance, tax, legal, or resale purposes, our certified appraisals are used globally.

Estimated Market Values

• Paintings: €62,000 – €27,000,000
• Drawings: €900 – €1,300,000
• Prints & Lithographs: €120 – €33,000
• Photographs: €1,300 – €57,000

Selling Support

If you're looking to sell a Warhol artwork, we offer full selling advisory and brokerage services. This includes:

• Private placement and discreet sale strategies
• Auction house liaison
• Direct introductions to qualified collectors

Trusted Since 2002

We have been issuing COAs and conducting authentication research for Andy Warhol works since 2002. Our clients include:

• Collectors and galleries
• Legal and tax professionals
• Museums and institutions
• Auction houses and insurers

Our reports are respected in court cases, estate planning, charitable donations, and high-value transactions.

If you own a painting, drawing, print, or photograph by or attributed to Andy Warhol, we would like to learn about it. Please send us photos or contact us at [email protected]

You will generally receive a response within 24 hours.