The are countless numbers  of iron bed frame tops. The ones before you are but a few of the more popular shapes.  The top bar going across the head and foot board will, much of the time, establish the Style and overall  look of a bed frame.  As you will generally find the more elaborate and curved top beds tend to have more scrolled and elaborate interior work.  The straighter top frames generally don’t have as many curves and scrolled interiors.

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Double Camel Top Double Camel Top (30194 bytes)
Triple Mountain Top (23994 bytes) Triple Mountain Top
Flat Top W/ Corner Castings Flat Top with Corner Castings(10853 bytes)
Irregular Top (29178 bytes) Irregular  Mountain Top