I came across this image in my reading today and was immediately struck by the visual similarities with the Doson coin I posted about earlier. How common is this image? Not that common really. Besides Doson, Magnetes of Thessaly has a similar type with Artemis:
And it is also a standard type of Histiaea in Euboia:
But that seems to be about it. The publishers of the seal focus on the coins of Sidon, such as this:
Neither is really that close in design or style even if they show a figure on a ship. There might be a lost Sidonian type with a figure seated on just prow, but I suspect the inspiration for the design came from trade connections with the North.