Neville William Cayley, (Australian 1886-1950), Herons; swift; black-headed, red-headed and yellow-headed Gouldian Finches, a group of three, all, signed 'Neville W. Cayley' (one lower left, two lower right and variously dated, gouache, the largest 50.5 x 70.5 cm, together with a study of woods by the same artist, signed with initials