This is a two-tone eraser from the brand 2340 KOH I NOOR HARDTMUTH.
Jacob Marks
2477 Herbar
259 Serax
Bode
Niko June
1646 Viarco
2319 Saudade Collective
Parabaya
2955 Bachca
1061 Ciergerie Des Premontres
Foret