TD Side Curtains - 2 or 3 bow

[MGTD1952@cs.com]

Sorry to bomb both lists, but I couldn't find this answer anywhere else.  
I've been offered a set of side curtains for my 52 TD, but the seller does 
not know if they are for the 2-bow or 3-bow hood frame.  

How does one tell?

Steve in NJ

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