Lawsuit shows difficulties of authentication and repair

A complex lawsuit between the financier and art collector Asher Edelman and Washington D.C.s Geoffrey Diner Gallery has shed some light on the increasingly complicated business of art authentication and repair through foundations.
The suit, filed in February, concerns a 1969 Pier Paolo Calzolari work, Five Neons say Rietuto, Mio Nome, Nebuloso, Avido, Farfallesco, which Edelman consigned to Diner in June 2015 for Londons Masterpiece art fair, staged that month. It was valued at $600,000.
The co