Kralic TAngo Glass or Copy ?

Hi Wonderful Friends : )
I bought this Glass Base Lamp many years a gon in a Monday Flea-Market in Nice ( France ) for 15,00 € ( about 12,00 $ ) This base was alone in my back graund for a long time untill yesterday i found it . I remain at Alfredo and Kralik glass . Now it's time to know what is this from . The orange shade have black stripes coloured with paint (faky) But the base was ok . will be Great to Knows more about this Glass Base Lamp .
Thanks to everyone who help me .
Ciao , Alberto .