Anon-Madagascar - Antongona - Drawing. Public domain image.

Offered for sale by Abbott and Holder in March 2020 when it was described as "MADAGASCAR (Subject) by ‘W.J’ (or ‘J.W.) 1875. ‘Antongona’. Ink, watercolour and gouache. Inscribed, dated and signed with a monogram. Inscribed verso ‘Edward Birchall Esq / 2 Park Place / Leeds’. 9.25x13.5 inches."