Imperial Glass Smoky/Purple Scroll and Flower Panel Vase,Unmarked

There is such a difference between an original and a reproduction-the quality,weight,texture.
I picked this up at a local thrift shop-it caught my eye,being that it was so unusual and the colors were hypnotic. I haf no idea what it was and after several days of researching and referencing-I finally found it.
Evidently, it is an incredibly rare Imperial glass vase. I didn't know anything about markings until I was told that I should look for any markings indicating that it was a reproduction...there are none.
I've never had such a rare piece of glass in my inventory.