The left side of the measuring tape shows the size in inch and the right side shows the size in centimeter. They where found while digging in factory yard in Limbach in Thuringia Germany.They are from my owen collection so can I gurantee for the age. The item "66 x excavated bisque doll heads Hertwig age 1900 Germany mixed media alterd art" is in sale since Wednesday, June 13, 2018. This item is in the category "Crafts\Art Supplies\Collage Supplies". The seller is "sir_flacon" and is located in Nürnberg. This item can be shipped worldwide.