A sculpted boy's head; and A sculpted head of a woman, bust-length

Italian School, 16th Century A sculpted boy's head; and A sculpted head of a woman, bust-length with numbers and inscription on mounts 'N° 94' (i) and 'N° 93/ di Michelangelo Buonarroti' (ii) pen and brown ink, watermark lamb (?) (i), partly incised, unframed 4 1/8 x 3 5/8 in. (10.4 x 9.4 cm.); 3 1/8 x 3 in. (7.9 x 7.7 cm.) (two on one mount) (2)