I thought this looked interesting so I purchased it.  I haven't been able to find much information on the history of this type of painting or on an artist of this name.  I am confused by the geometric painting style combined with the old frame/framing style.....currently I have it posted on an art identification discussion board on E-Bay and the only information that I have received is that it is too detailed to be street art. 

This machine is coin operated. It takes quarters. It is a scale only - no horoscopes, fortunes, etc. Very Heavy, white porcelain. The tag reads Mills Novelty Company of Chicago. This compay was known primarily for slot machines.

ii is 19" x 13". the print itself is on thick paper and has brown marks where it has been in back of the painting. The title of the pcture is in the left hand bottom corner "chapel of the convent of st catherine on mount sinai 21st feb 1839. the signature is i the bottom right hand corner david roberts ra.