Watch List notes:

(g) Victoria (1837-1901), Proof Five-Pounds, 1887, 'Jubilee' bust left, rev. St George and dragon (W&R 285; S.3864), a few light hairlines and contact marks in fields, otherwise the portrait distinctly cameo, extremely fine or better, rare only 797 struck for issue, in NGC holder, graded PF61+ ULTRA CAMEO (Cert. #4861491-001).
Provenance
SNC, September 1977, no. 8234 - £1,050
Estimate: £5,000 - £6,000