They are brand new in pack and I have no idea the other answers. I am not a crafter and I just inherited them in a box of stuff from a relative. They are small. This pkg is sealed..
To help clarify; I found this description on ebay for the same beads:
MILL HILL GLASS SEED BEADS
"COBALT BLUE"
#00358
Approximately 500 beads per package
Approximate DMC thread match: 824 - Very Dark Blue Item Number: 00358 Color / Description: Cobalt Blue Type: Glass Seed Bead Color Family: Aqua/Blue Size: 11/0 ( 2.5 mm ) Amount: 4.54 Grams, approximately 500 beads per package