Usage of 'think of'

[Heidi]

Dear friends,

Could you please tell me if the following sentences are grammatically correct? Specifically, do we need an object 'it' after 'think of'?

"Anything done with great skill, we usually think of as a masterpiece."

[2006]

Dear friends,

Could you please tell me if the following sentences are grammatically correct?
There is only one sentence.

Specifically, do we need an object 'it' after 'think of'?

"Anything done with great skill, we usually think of as a masterpiece."
I don't think the above is a good sentence.

Anything done with great skill is usually thought of as a masterpiece.
We usually think of anything done with great skill as a masterpiece.

2006