- Sl. soiled; some pencil scribblings, mostly on last plate. Wr. rubbed; scribblings on frontcover; spine-ends worn; w. repair on backcover.
Groos, C. Hippe Vogels. N.pl., n.publ., n.d. (±1970), 3 full-p. col. plates w. text on verso, each w. two cut-out holes for the glow in the dark eyes which are attached to the lower pastedown, ills. and orig. clothbacked pict. boards by C. GROOS, col. pict. frontcover also w. cut-out holes for the eyes, sm. 4to.
- Sl. soiled; one eye w. two black stripes. Boards sl. rubbed, worn along extremities.
AND 5 others, all with movable eyes, i.a. Kijk eens even (Amst., ±1951).