Johann Eusebius Alphen (1741-1772)

Get a Alphen Certificate of Authenticity for your painting (COA) for your Alphen drawing.

For all your Alphen artworks you need a Certificate of Authenticity (COA) in order to sell, to insure or to donate for a tax deduction.

Getting a Alphen Certificate of Authenticity (COA) is easy. Just send us photos and dimensions and tell us what you know about the origin or history of your Alphen painting or drawing.

If you want to sell your Alphen painting or drawing use our selling services. We offer Alphen selling help, selling advice, private treaty sales and full brokerage.

We have been authenticating Alphen and issuing certificates of authenticity since 2002. We are recognized Alphen experts and Alphen certified appraisers. We issue COAs and appraisals for all Alphen artworks.

Our Alphen paintings and drawings authentications are accepted and respected worldwide.

Each COA is backed by in-depth research and analysis authentication reports.

The Alphen certificates of authenticity we issue are based on solid, reliable and fully referenced art investigations, authentication research, analytical work and forensic studies.

We are available to examine your Alphen painting or drawing anywhere in the world.

You will generally receive your certificates of authenticity and authentication report within two weeks. Some complicated cases with difficult to research Alphen paintings or drawings take longer.

Our clients include Alphen collectors, investors, tax authorities, insurance adjusters, appraisers, valuers, auctioneers, Federal agencies and many law firms.

We perform Johann Eusebius Alphen art authentication, appraisal, certificates of authenticity (COA), analysis, research, scientific tests, full art authentications. We will help you sell your Johann Eusebius Alphen or we will sell it for you.


Wolfgang Amadeus Mozart and his Sister Maria-Anna


Johann Eusebius Alphen was an 18th century Austrian portrait painter, known for painting miniatures of notable figures, including Mozart.


Portrait of a Man in Uniform


Still wondering about an Austrian miniature painting in your family collection? Contact us…it could be by Johann Eusebius Alphen.