Help with markings?

Hi all im new here and just wondered if anybody had an inclination as to what VJ830S could possibly mean, i have it printed on two small crowns that are charms for a bracelet, i have tried to take pictures but have been unsuccesful, any help would be greatly appreciated, Cheers lee.

Just managed to up 2 pics hope these help in some way…
SDC10001crown1.jpg
SDC10005crown2.jpg

since no-one else has guessed im saying its a registered design number for the piece.