Watch List notes:

Victoria (1837-1901), 'Shieldback' Sovereign, 1856, '6 over higher 6', second young head left, WW incuse on truncation, rev. crowned shield in wreath, edge milled, 7.97g, 7h (Marsh 39; MCE 517; Spink 3852D) lightly bagmarked to obverse and die flaw at 8 o'clock, yet lustrous, almost extremely fine.
Provenance
Spink, by private treaty, 27 February 1973 - £25 [with this ticket from M Rasmussen and Mr Tooley]
Acquired by private treaty to Spink, September 1971 - £15
Estimate: $450 - $550