2021 Sc#5568 75¢ Colorado Hairstreak Non-Machinable Surcharge First Day of Issue. Cancelled on March 9, 2021 in Estes Park Colorado this First Day of Issue is new, and unaddressed. Check out our webpage at www.alpinefirstdaycover.com to see special deals on our First Day Service for upcoming USPS stamp issues. Thanks for looking!