The movement is marked L3 and the case is marked L4 Very nice shape and a very intersting design to the case.
Any chance of a side view picture? and case dimensions? There was some discussion that the side view of the case may give us insight between the two models? Fifth, I think your example had a slightly different slope to the bezel, while another photo on site seemed to suggest a crystal/bezel opening/ curve in both horizontal and vertical directions.
I've changed my ticks to two until I know if there's an ad for Ivanhoe, or it's all based on crystal specs. I'm looking for an ad. It's not the Harrington, based on an ad for that model. So we really may not know what the Ivanhoe looks like.
In reply to Any chance of a side view by William Smith
Looks like it wasn't Fifth who had another example. Also not finding an ad for Ivanhoe, but i'm just now searchign by browsing the 1950-1955 ads, as several ads are not indexed for using the "search ad by model name" function. (no return for Ivanhoe ad when using this function- but that doesn't mean we don't have an ad).
In reply to 3 star confirmed ID, based on by FifthAvenueRes…