Ruler: Anastasius I, Byzantine Emperor, ca. 430–518, ruled 491–518, Mint: Constantinople, Pentanummium of Anastasius I from Constantinople, 508–18, Copper, 1.35 g, 1:00, 14.5 mm, Made in Constantinople, Byzantine, 6th century A.D., Numismatics Stock ...
Stainless Steel Ruler
How to Read a Ruler - Inch Calculator
1.35 cm on a ruler
How to Measure Things Without a Ruler : 3 Steps (with Pictures) - Instructables