Mid-century vintage Haeger pottery baby lamb planter in the matte white (a warm, almost cream color).
This one has some condition problems (glaze chips on face and at the bottom front, see photos). But this is a lamb we seldom find, and really - you could touch it up with paint if you're planning on actually using it for plants or flowers!
It's a large piece, about 8 1/2" long x 6 1/2" tall overall. Bottom is not marked.