[wterrell]

Since the development of the internet and online auction houses, all estimates of appreciation of value are out-the-window. Therefore, no one is presently writing books of Luger values.
Lugers on the lower end of value have seen increases from 50% to 100% in the past couple of years. Collector Lugers on the upper end of value have not shown such dramatic increase. 3% to 5% is good for that category, but there are always anecdotal stories of major coups where the irresistible salesman met the irresponsible buyer.