box first day covers — auction comparables · Snaplot Comparables
Comparables
10,000
Median
£44
Suggested estimate
£15 – £90
25–75% range
£16 – £156
Overall range
£0 – £9,137,461
Distribution
Sell-through 98% of lots sold
2% at premier salerooms
Trend↘ falling -75% over 8y
Median by grade
Good
£5 n=461
EF
£423 n=84
AU
£393 n=105
Unc (MS60-62)
£5 n=320
Gem (MS65-66)
£5 n=125
Superb (MS67+)
£45 n=386
Proof
£38 n=402
MNH
£340 n=12
On cover
£354 n=103
Used
£423 n=82
Median from 45,606 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 “box first day covers” · page 1 of 417
