Bern Porter pattern

Item is a print by Bern Porter showing a section of a floral pattern. There is a reference image in the right corner of the print showing where in a larger pattern this particular print fits in. Text along the bottom of the poster reads "all rights all countries reserved bern porter 1975 printed by maine coast printers rockland maine for bern porter international belfast lisboa milano opatja sevilla trieste surich copy number 192". There is a signature in ballpoint pen in the bottom right corner which reads "Bern Porter '82". The back of the poster reads "from Bern Porter" with his address in Maine.