Not happy with the quality of the grading of foriegn coins

This coin appears to be correctly graded. I think there are ways to critique grading, but not necessarily on this coin.

 

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The coin looks perfectly acceptable to me.
Since you don't have the coin in hand, it is probably best to go with the opinion of the TPGS AND SEVERAL MEMBERS HERE attempting to educate you. You are seeing what looks like lines on the shoulder. They are minor and if actually present they do not always indicate cleaning.

 

Perhaps it's worth pointing out for others that I don't think it's a blanket truth that die polish lines can't occur on the devices, or continue from the field into the devices. Seeing a direct continuation would be difficult for sure, since there's such a sharp boundary between flat and depressed features on the die, and the brush or whatever is going to skip over it. But here is a Canada 1947ML 50c SP65 where there is die polish on the face and neck, and clearly going in the same direction as the lines in the field. Also if you look at the NZ proof sets for the OP year as I recommended, you'll see lots of coins with polish lines in the bust.

 

#1 DIE POLISH (raised) CAN BE FOUND ON THE RELIEF OF COINS.
#2 It is RARELY parallel on the relief.

The raised parts of a coin's design are below the surface of the die so thy are virtually unaffected when the die surface is polished.

 

Not to beat this into the ground, but here are two coins from one of the 1965 proof sets.

This 1p has a criss-crossing pattern of polish lines that go directly from the field into the bust. You may have to zoom in quite a bit, but it's clear.


This 3p from the same set has both linear polish lines in the fields, and circular ones in the bust, which @Insider alludes to in his previous post.

 

I don't think there is any dispute that it can happen. What some forget is that when a die is polished it will leave incuse lines on the die, which in turn produces raised lines on the coin when struck. Hairlines from cleaning the coin having the opposite effect, incuse on the coin.

 

There are polish lines on QE II neck in the OP and that two posts up but these IMO are in fact die polish lines on an area not as fully struck up as the higher details, which is somewhat against the dictum that polish lines can not extend on to the devices.