First of all, I want to say that there is definitely a difference, but it won't produce too much. I'll give you the latest international gold price:

Latest gold price inquiry (20 12/05/03)

Name latest price buying price selling price opening price yesterday closing price highest price lowest quotation time

Spot gold1672.741672.741672.741674.261674.41674.91670.00400.000000000006

Gold t+d 336.83 336.83 336.89 335.35 336.48 337.32 335.1102-0510: 04: 46.

Gold 999337.00 337.00 337.05 336.74 336.74 337.05 335.42 02-0510: 05: 00.

Gold 9995337.00-336.80 336.8 337 336.8 02-0510: 00: 54