Thank you for submitting your item for appraisal. This appears to be a collage and gouache painting, depicting a young boy wearing an oversized hat in the style of the 1870s. The late 20th century street artist Franco es? has left no trace in auction results and is not listed. The estimate is based on auction results for comparables by lesser known artistst offered or sold at auction. There is no measurement for the sentimental value you might attach to it.