Sep
30
Andy Warhol Values & Prices: What Is a Warhol Worth?
Learn what determines the value of an Andy Warhol artwork, including subject, series, edition, signature, condition, provenance, Feldman & Schellmann references and comparable sales.
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Sep
5
Alex Katz Signatures, Edition Numbers & Proofs: A Collector’s Guide
Learn how Alex Katz signs and numbers his prints, how regular editions work, and what AP, HC, PP, BAT, RTP, TP and Roman-numeral proof designations mean.
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Sep
5
Alex Katz Catalogue Raisonné: Schröder Print References 1947–2023 & Online Supplement
Learn how Schröder catalogue numbers identify Alex Katz prints, how they differ from edition numbers, and how to use the 1947–2023 catalogue raisonné and official supplement.
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Sep
5
How to Authenticate an Alex Katz Print
Learn how to identify and authenticate an original Alex Katz print by checking its catalogue reference, medium, dimensions, signature, edition, paper, printer, publisher and provenance.
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