Postmark collecting, also known as postmark philately, is a popular hobby among stamp collectors. Collectors seek out postmarks from various locations, dates, and events to add to their collections. Some popular types of postmarks to collect include:

For stamp collectors (philatelists), postmarks are crucial. They add value and interest to stamps and postal history. Unique or special postmarks can significantly increase the value of a piece of mail.

We will likely see a hybrid future: A physical envelope with a QR code that, when scanned, reveals a digital timestamp and the exact route of the letter. Yet, for weddings, tax attorneys, and stamp collectors, nothing will ever replace the romantic thwack of a steel die hitting wet ink.