# 3321-24 FDC - 1999 33c Xtreme Sports
U.S. #3321-24
33¢ Xreme Sports
Issue Date: June 25, 1999
City: San Francisco, CAQuantity: 151,975,000
Printed By: Avery Dennison
Printing Method: Photogravure
Perforations: Serpentine die cut 11
Color: Multicolored
Please note: Due to the layout of the pane, the se-tenant may or may not be provided in Scott Catalogue order.
First U.S. Stamp With Scrambled Indicia
Over the years, the USPS had always sought ways to combat counterfeiting, with grills being one of the earliest examples. As technologies changed, they found new, more advanced ways to do this, including microprinting and tagging. Then in 1997, they introduced Scrambled Indicia.
Between 1997 and 2004 the USPS produced more than 40 stamps with Scrambled Indicia:
Click here to view the “decoded” stamps.
Click here to get your own decoder to see these neat hidden images in person.
U.S. #3321-24
33¢ Xreme Sports
Issue Date: June 25, 1999
City: San Francisco, CAQuantity: 151,975,000
Printed By: Avery Dennison
Printing Method: Photogravure
Perforations: Serpentine die cut 11
Color: Multicolored
Please note: Due to the layout of the pane, the se-tenant may or may not be provided in Scott Catalogue order.
First U.S. Stamp With Scrambled Indicia
Over the years, the USPS had always sought ways to combat counterfeiting, with grills being one of the earliest examples. As technologies changed, they found new, more advanced ways to do this, including microprinting and tagging. Then in 1997, they introduced Scrambled Indicia.
Between 1997 and 2004 the USPS produced more than 40 stamps with Scrambled Indicia:
Click here to view the “decoded” stamps.
Click here to get your own decoder to see these neat hidden images in person.