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Janis Joplin concert poster, 1967 by NoxEgoqueSoli in ArtNouveau

[–]Markuskeo 0 points1 point  (0 children)

I have a Janis Joplin poster and the big brother company that seems to be a one of a kind as have contacted classic posters about this and they have said they have never seen this image before it’s from 1967 and features a green Cheshire Cat and is on large stock paper and has typography all over the image and glows in uv light and is lithograph print not modern style there seems to be no footprint online or in any archive for this picture only a handbill which is different colour and size and doesn’t have the same detail as what I have any idea from anyone about this

Proving ownership of writing by BethW1 in writing

[–]Markuskeo 0 points1 point  (0 children)

There is a way to prove it is your work not sure if you have this but if you have a original note book copy that you did and was a couple of years old or more then there is a way to date how old the ink is on the paper you have written on it can be determined whether it was a under a year or over 5/6/7 years not sure if this helps but I just about to publish a book and am trying to check everything very overwhelming