From
THIS THREAD:
67 - LOS - 04B - Black - curved print
67 - NOR - 05B - Black - curved print
68 - NOR - 01D - Chrome - curved print
68 - NOR - 03D - Chrome - curved print
68 - NOR - 04D - Chrome - curved print
68 - LOS - 05D - Chrome - straight print
68 - NOR - 06A - Chrome - straight print
68 - NOR - 07C - Chrome - curved print
69 - NOR - 01C - Chrome - straight print
Not enough data points to make this conclusive though.
Ed