Correct cabooses for 1950s?

[nw-modeling-list at nwhs.org]

Hi,

I notice that Precision Craft Models are going to produce HO scale N&W
Class CF cabooses.

They are to be offered initially in 4 variants:

75	Norfolk & Western Class CF Caboose - Early Scheme w/Horizontal
Brakewheel 
76	Norfolk & Western Class CF Caboose - Mid-Version Scheme
w/Horizontal Brakehweel 
77	Norfolk & Western Class CF Caboose - Mid-Version Scheme w/Ajax
Vertical Brakewheel 
78	Norfolk & Western Class CF Caboose - Late Version Scheme w/N&W
Hamburger; Ajax Vertical Brakehweel

I am interested in the period 1954-1957. I realise that the Late
Version Scheme with the "Hamburger" is too late for that timespan. But
are all the other variants suitable?

Many thanks for any enlightenment on this.

Frank Hung