What security features are incorporated into modern stamps to prevent counterfeiting?
How are commemorative stamps different from regular stamps, and what are some notable examples?
What is the history of the first postage stamp, and how has stamp design evolved over the years?
How do philatelists determine the value of a stamp, and what factors can influence its worth?
What are the different types of stamps, and how are they used in postal systems?
**Historical Context**?
What are the best practices for preserving and storing a stamp collection to maintain its condition and value?
How has the introduction of digital communication impacted the use and collection of postage stamps?
What are some of the most valuable or rare stamps in the world, and what factors contribute to their high value?
How does the process of designing and issuing a new commemorative stamp work?
