Here you have all the reviews of people who consumed the services of American Philatelic Society (Library) near to the state of Pennsylvania.
Now the business receives a score of 5.0 over 5 and that rating has been calculated on 4 reviews.
As you can read, its rating is superb, actuality, it achieves the best average it can get., but it is only founded on very few reviews, so the score isn't too accurate.
As you know, we do not usually bother to place evaluations when they are good and we usually do it only if we have had a problem or issue...
This Library is included in the category of Stamp collectors club.