An Original Floral Bouquet Painting By Katherine Kadell
A collector’s guide to identifying, authenticating, and valuing a floral bouquet painting attributed to Katherine Kadell.
A collector’s guide to identifying, authenticating, and valuing a floral bouquet painting attributed to Katherine Kadell.
Identify, authenticate, value, and preserve an original Keith Haring drawing with expert tips on materials, signatures, provenance, red flags, and market context.
Identify, authenticate, and appraise an original Keith Haring drawing: materials, signatures, red flags, condition care, and market context for collectors.
How to research, authenticate, date, and value an original painting attributed to Burl Chalmers (1910–2003), with practical appraisal tips, checklist, and FAQ.
Guide to identifying, authenticating, and valuing Marc Chagall’s “Moses Sees the Sufferings of His People” across editions and reproductions.
How to identify, date, and value Garmisch-Partenkirchen landscape paintings—from Zugspitze views to Eibsee scenes—with practical appraisal tips.
Learn how to evaluate an original painting by Belgian artist Maurice Sys (1880–1972): subjects, signatures, materials, condition, provenance, and value.
How to evaluate an Impressionist harbor scene signed S. David—signature clues, materials, style, condition, provenance, and market values for appraisal.
How to verify, evaluate, and appraise a limited edition print attributed to Ellsworth Kelly—authenticity traits, condition, value drivers, and red flags.
Identify, authenticate, and value André Collot’s Don Quichotte mezzotint/etching prints with technique clues, condition tips, and collector guidance.
Identify and appraise a Margaret Putnam (1913–1989) original painting: signatures, media, condition, value drivers, and buyer/seller tips.

Guide to evaluating a Mount Shasta landscape painting attributed to Ondrovic Xx: artist identification, dating, condition, value drivers, and market context.
Expert appraisal guide to the purported Tiny Dinos puppets linked to Jim Henson and Guy Gilchrist, with authentication, materials, condition, and valuation tips.
How to authenticate, evaluate, and value a painting attributed to Cortes Matas: signatures, materials, provenance, condition, and market insights.
How to authenticate, evaluate, and price an original painting by Harry McCormick (born 1942), famed for meticulously rendered bar and hotel interiors.
Identify, authenticate, and value an original etching by Donald Shaw MacLaughlan with expert tips on signatures, states, condition, and market benchmarks.
How to research, authenticate, and appraise a 19th‑century painting signed 'E. Sutton'—signature forensics, dating tips, comparables, and valuation factors.
How to evaluate a painting attributed to Heinz Ross (German, b. 1928): attribution, signature clues, materials, provenance, condition, and market context.
How to research, authenticate, and appraise an original painting by Terry McCue, with market context, identifiers, and a collector’s checklist.
Identify, authenticate, and evaluate original artwork by Harry Antis (1942–2002), American sporting and wildlife painter, with practical appraisal tips.