Rings
R - 01 to 35
R -36 to 65
R - 66 to 95
R - 96 to 122
R -123 to 152
R - 153 to 182
R - 240 to 269
R - 183 to 239
R - 270 to 299
Gents Rings
R - 01 to 25
R - 26 to 48