47-55.1 Help me identify these steel wheels

[Mrrilla]

I apologize if this has been covered before but I could find a thread that talked about this.

I starting to stock pile several 16 inch, 6x5.5 steel wheels but none two are the same. I am trying to get a full set of one of the two steel wheels in the attached photos. Can someone help me out in telling me what years these wheels are from? I read that the four slotted version is 47-54 and the 8 slot is 55-59. Does that sound correct? The center hub on both of these designs have a very slight "bee hive" design in them.
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