At first glance most people wouldn't even give this piece a second look. This piece is one of a handful known so far to have 00 SN on the top. These are typically found with SN 6, 7, or XO but this one has 00. All of them I have seen so far have come in this same shade of dark green aqua/ emerald green. The embossing also has a slightly different appearance to them with the o's in Brookfield resembling the 00 on the dome.

This piece is an EIN [020]

[id=278458370; click here to see an aqua with amber swirling piece]