41. The anthrax was found at the Stamp Fulfillment Services, where stamps are canceled for stamp collectors . 42. Different types of attractively designed stamp products are also popular with stamp collectors around the world. 43. Hy is also an avid stamp collector . 44. Stamp Collector ceased publication in 2003 .)45. Stamp collectors in the United States can purchase the Diana stamp through the Delaware Valley Stamp Company.46. The store itself is a stamp collector 's haven with a large selection of stamps and first-day covers. 47. These are sold to stamp collectors all over the world, bringing appreciable returns to the national treasury. 48. That leaves only some stamp collectors unhappy. 49. The founder, Jakob von Uexkull, is a Swedish-German writer who made a fortune as a stamp collector . 50. In 2013, the Wall Street Journal estimated the global number of stamp collectors was around 60 million.
