Made in: Australia
The newer more modern model is on the bottom.
Columbia began producing carbon paper and inked ribbons in 1931, then expanded to pencils in the 1940s under the name Columbia Pencil & Crayon Company. The Australian brand was acquired by Esselte in 1986, which was acquired by Pelikan Artline in 2009, which was acquired by ACCO Brands in 2016. See a bit more history at columbiapencils.com.