20 Mark — auction comparables · Snaplot Comparables
Comparables
10,000
Median
£186
Suggested estimate
£45 – £300
25–75% range
£47 – £459
Overall range
£1 – £1,468,876
Distribution
Sell-through 99% of lots sold
12% at premier salerooms
Trend↗ rising +27% over 8y
Median by grade
Good
£12 n=1,201
VG
£9 n=12
Fine
£38 n=89
VF
£146 n=216
EF
£195 n=57
AU
£195 n=36
Unc (MS60-62)
£107 n=992
Choice (MS63-64)
£216 n=17
Gem (MS65-66)
£23 n=30
Superb (MS67+)
£53 n=11
Proof
£32 n=89
On cover
£380
Median from 18,969 sold in the last 36 months·hammer prices, excl. buyer's premium — fair-market auction value (retail/insurance replacement runs higher)
