Authenticity and appraisal are two separate processes. The autentication of an artwork determines that it has indeed been created by that artist. The appraisal determines the fair market value of the artwork by comparing it with the current art market of the artist.
If you are interested to have a Certificate of Authenticity for work by Gian Berto Vanni, we can provide it to you free of charge. If the work you own is not included in the Catalogue Raisonné please send an high resolution digital image of the work along with title, medium, measurements, and provenance information to email@example.com. We will examine the material and, if we confirm that the work has been created by Gian Berto Vanni, we will include it in the Catalogue Raisonné and send you a certificate of autenticity for your records
We can provide an estimate of an artwork by Gian Berto Vanni, based on the fair market value of similar works if you send a high resolution digital image of the artwork along with title, medium, measurements, and provenance information to firstname.lastname@example.org. In case you need an appraisal for charitable donations, tax purposes, estate issues, insurance coverage or a variety of other needs, we can refer you to an appraiser that is familiar with the work of Gian Berto Vanni and is accredited by the American Society of Appraisers.
If you intend to reproduce the image of a work by Gian Berto Vanni for publication in print or elecronic format, send your request to email@example.com. We will examine the intended use and provide you with an answer soon as possible.