By the roll it might not work so well because of the high cost of shipping. Check completed auctions results for single rolls, groups of 10 rolls and for a box. Be sure to factor in all the ebay and PayPal fees and the hassle of doing all those shipments. You may be better off selling them in the market section here where there are no fees. I would certainly be interested in them since I don't get P mint coins out here.
If your percentages are low.. just sort more. If your percentages are high.. just sort more.
Now selling Copper pennies. 1.6x plus shipping. Limited amounts available.