What grammatical structure is the italicized portion of the sentence?
My most valuable coin, one from Spain, is worth more than $100.00.
What are the italicized words?
i think its about the whole thing or like the part that is,then what is the structure of it
Your question asks only about the part that is italicized.
Is this the way your sentence looks?
My most valuable coin, one from Spain, is worth more than $100.00.
yes, and i think if its the whole sentence then its just asking what is the structure of it
The italicized part is an appositive.
http://www.chompchomp.com/terms/appositive.htm