Two Victorian mounted paperknives/page turners

Two Victorian mounted paperknives/page turners, one ivory with an ivy and berry decorated handle by Charles Boyton, London 1888, the other tortoiseshell with a spiral fluted handle crested, by William and Henry Child, (inscribed also "CHILD + CHILD, 1 SEVILLE ST, LONDON SW") London 1888, 17.75in (45cm) max. (2)