Finding fake Guccis with a smartphone and a microscope

An employee uses an Entrupy Inc. device and smartphone to verify the authenticity of a LVMH Moet Hennessy Louis Vuitton SE handbag during a demonstration in Tokyo, Japan, on Wednesday, July 19, 2017. A New York startup says it has a technology that can spot counterfeits without the guesswork. Entrupy's solution is a handheld microscope camera that lets anyone with a smartphone check a luxury accessory within minutes. Photographer: Kiyoshi Ota/Bloomberg

Distinguishing an authentic Louis Vuitton bag from a well-made fake is a subtle art that involves counting stitches, feeling the leather’s grain and poring over print patterns. 

A New York startup says it has a technology that can spot counterfeits without the guesswork.