LEGO Dark Stone Gray Baseplate 32 x 32 Road 6-Stud Curve with White Dashed Lines (44342 / 54203)

LEGO Dark Stone Gray Baseplate 32 x 32 Road 6-Stud Curve with White Dashed Lines has been used in at least 2 LEGO sets over the past 19 years, since it was first used in 2005. You can also find this part in at least 3 other colors. It has the design IDs 44342, 54203 which can usually be found molded into the bottom of the part.