What breed of cat does Mr. Coulson look like and how big will he get?

This picture he was around 4 to 4.5 months old.
He just turned 5 months and weighs 5.9lbs

Here about 3 to 3.5 months old

cediemarie said:

This picture he was around 4 to 4.5 months old.
He just turned 5 months and weighs 5.9lbs

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Such a beautiful kitten.I couldn't resist replying ...  Can't really tell if he is a tabby or not by this picture but appears he could be or solid gray with medium length coat.  . Hopefully someone that knows a little more about breeds than I will give you some detailed information soon. Just wanted to say hello and that he is a doll. 

  He seems quite big for a youngster,  6lbs is what many adult cats has.  Although it may plan out when he is into adulthood himself.

His eyes arent very green, no?    If you arent happy with the overall label of Maltese cat - its a label for blue cats without clear breed belonging -

we can perhaps compare him to an Chartreux (spelling??)  they can be quite massive, all muscles not fat.

This is from this morning. My main curiosity is an idea of how big he will be once done growing. He is recently neutered (On the 4th and that's when we got his updated weight of 5.9)

StefanZ said:

  He seems quite big for a youngster,  6lbs is what many adult cats has.  Although it may plan out when he is into adulthood himself.

His eyes arent very green, no?    If you arent happy with the overall label of Maltese cat - its a label for blue cats without clear breed belonging -

we can perhaps compare him to an Chartreux (spelling??)  they can be quite massive, all muscles not fat.

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Here is pic of his face better. I guess his eyes are not very green, however I am not a cat expert. That's why I am here.

With some good will, these are surely green.  But a good RB should have clearly more intensive, deep green...

Of course, the overall standard of RB here is Scandinavia is quite high, almost everyone is more or less of Show Quality.  Few are of the show winning quality, but all can be presented at get at least Excellent.

They are usually sold as "Pet" but taken full price for.

In USA I know its more common with pet quality, - they are sold cheapier, and thus, there is a market for them.

So, whom she is  is impossible to tell without papers or safe background, but if its important for you to think on her as a RB look alike, although of pet quality, you may  do so.

Re the weigh.  As said, 6lb is much for a kitten. but it can change.

For example, the younger of my two RB boys, both ex-studs, the son, was pretty big for a kitten.  Later on the increase stopped, and he was a rather small adult male, of barely just over 8lb.   Now as senior citizen he has got some "heavy weighness" - is quite fat.   If he were a moggie it wouldnt be so bad - he can after all still jump up on the table without any problems.   But RB are supposed to be sleek and elegant.  His father was so to the end.