Happen to see Photographer Dave Carroll’s Rolleiflex K4A TLR through a random search.
What a Beauty!
If you have noticed, the rolleiflex label has different font types on different models. This K4A appears to be also quite different in Label design.
1954 Rolleiflex Automat MX (Model K4A) » DJCPHOTO.COM.
[I have two of these beauties in my collection 🙂 ]