Hello my pearly friends,
I want to show you the photos I took because a picture is worth a thousand words. I could not get the camera to focus much closer than what show up here. Anyway, lots of blemishes. I know I am very picky (it's the accountant in me), but this is not AAA or AAA++. Looking at it closer, it's definitely C on A-D grading scale. It's not silvery at all, but dingy gray, like your dingy white t-shirt (I am not kidding). A few pearls had light yellow overtone. A few have yellow spots at the tip and remind me of decayed matter.
In the last photo, I put it next to my white beader special strand for comparison. If memory serves, the beader special was AA to gem. This small, white strand is leftover material after I picked out all the nice ones for pendants, earrings, potpourri strand, etc.