Framed vintage lithograph butterfly landscape retail

Product Name: Framed vintage lithograph butterfly landscape retail
this is a piece that I got from my friends mom. she was a UC professor, avid world traveler and collector of unique vintage jewlery & art. This was among some of retail the things she left behind, unfortunately my friend didn't have the space to keep them. I wish I knew more about this piece, im pretty sure it's a original vintage butterfly & landscape lithograph, possibly Japanese, on the backside there is a number written, please refer to pics. Also, if you happen to have any info regarding this, please do share.