We searched for“J. K. Rowling Harry Potter Half-Blood Prince First Edition Signed Inscribed US”(identified as J. K. Rowling Harry Potter and the Half-Blood Prince, confidence: High)
Typical realised range (Gemini estimate): £1,000-£4,000
Comparables
85
Median
£37
Suggested estimate
£25 – £50
25–75% range
£23 – £65
Overall range
£4 – £261
Distribution
Sell-through 95% of lots sold
0% at premier salerooms
Trend↘ falling -98% over 4y
Median from 38 sold in the last 36 months·hammer prices, excl. buyer's premium — fair-market auction value (retail/insurance replacement runs higher)
142 comparables for “6V Author Signatures Inscriptions First Edition US...” · page 11 of 6