To the Gold Coast for Gold a Personal Narrative.
£2,500 · Offered by Maggs Bros Ltd
These volumes were bought, in Colchester for £2.2s.6d on the 10th October, 1882 as is attested by the original owner, this corresponds to the date on the ads. This is more than double the price mentioned by Penzer (21/-). Penzer, p106.
Found via Rare Books Intel, a search across rare-book dealers, auction houses and marketplaces worldwide.