We searched for“Shell Guide book series”(identified as Shell, confidence: High)
Typical realised range (Gemini estimate): £20-£100 per volume
Comparables
10,000
Median
£41
Suggested estimate
£15 – £90
25–75% range
£14 – £163
Overall range
£1 – £18,874,620
Distribution
Sell-through 98% of lots sold
1% at premier salerooms
Trend↘ falling -80% over 8y
Median by grade
Good
£21 n=18
VF
£98 n=13
Unc (MS60-62)
£83 n=13
Choice (MS63-64)
£83 n=9
Proof
£75 n=17
Median from 7,441 sold in the last 36 months·hammer prices, excl. buyer's premium — fair-market auction value (retail/insurance replacement runs higher)
10,000 comparables for “Shell Guide” · page 49 of 417
