a dirty apron

A small apron can be worn as a protection so other clothes do not dirty. It has served that purpose very well, as many stains of varying sizes and colours cover it almost completely, effectively hiding its original colour.

It is a dirty apron (well-maintained, aged).
It is starting to look difficult to mend.
It fits you well.
It weighs three pounds.

You identify a dirty apron.
It is a piece of clothing.
It weighs two pounds and ten ounces, and it is worth about fifty busc.
Its keywords are apron and dirty.