I fear Ricardo has a point. B&H and Freestyle believe that enough of its U.S. clientele believe there are some special qualities infused into the name RPX 25( a legend in its own lunchtime
) whereas not enough of the U.K. clientele harbours any such thoughts,hence the prices quoted.
A few years ago I might not have written this but nowadays if you believe in "not believing" you might not be taken advantage of as often.
We humans in a crowd or company context tend to be a savage, ruthless species as I think Spock once said in an episode of Star Trek and the sabre toothed marketing/pricing tiger is especially ruthless and never to be trusted. Only the cartoon version of Fred Flintstone could afford to keep him in the house
pentaxuser