At first glance, it appear fairly weak. On further inspection however, it does appear that one or two dealers have several very serious collector clients, collectors who seek rare items. This insular behavior fits in fairly well with the character of long time New Hampshire natives. One lesser items. Most collectors collect the entire state, and there is a very strong prejudice for 19th century items.
Nothing is different for New Hampshire material.
Demand is not strong, especially in relation to the amount of material that is available. There exists plenty of material to satisfy several new collectors. I have concluded these stories are on par with the stories about Sasquatch. Most lists I do manage to bring out one or two people who buy enough New Hampshire to keep that state out of the bottom five. The precipice to the bottom five is quite precarious, just those one or two collectors.