Patek Philippe

Hi all, Came across an interesting Patek Philippe piece and wondering if anyone has seen something like this before. It’s a hand-rendered drawing of the Calibre 240 movement, pencil and colored pencil on heavy art paper, very detailed, showing the movemen...  

I have certainly seen your example before,but I am not sure where. Here's a picture of a print I took on while on tour, 2005. They were along the walls in the manufacturing area. There were others along the hallways. Mike ...  

First time I see such a lithograph but I think cazalea gave you a good answer to your question. Best, Emmanuel

Thanks Mike and Emmanuel for the reply and information! I believe there’s a set of 13 limited edition lithographs sold at Sotheby’s. This one isn’t a similar copy and features a signature on the logo along with handwritten limited edition numbering. Also ... 

The 240 is one of Patek’s most important movements. Some would argue that it saved Patek from irrelevance during the quartz crisis. It’s also in some of its most important historical references.

but looks similar