You’ve discovered a a fun crossover collectible — part currency, part postal history, and very much a Western Pennsylvania specialty.
Greensburg is one of the known Western PA towns where these were canceled. A documented lot of six Pittsburgh‑area postmarked notes included Greensburg. The product is a 1976 postmarked Bicentennial Two Dollar Note that is uncirculated and considered a first day issue.
This banknote, sourced from the United States, is collectible paper money from the Federal Reserve. With a denomination of $2, it is a valuable addition to any collection of US coins and paper money, particularly for those interested in small size notes and historical pieces from the 1970s.