The self-adhesive $1 Red Fox stamp was issued on August 14, 1998 and sold nationwide on August 15. The design bears a hidden image that can only be seen with a special acrylic decoder lens. Hidden in the lower-left corner of the design is a small, trotting fox. This is the first definitive stamp to include the design encoding. 

Issue:                 Red Fox 
Denomination & Type:   $1.00 Definitive
Format:                Self-adhesive pane of 20 (one design) 
Series:                N/A
Issue Date & City:     August 14 1998, Washington, DC  20066 
National Sale Date:    August 15, 1998
Illustrator:           Robert Giusti, New Milford, CT 
Designer:              Derry Noyes, Washington, DC
Engraver:              N/A
Art Director:          Derry Noyes, Washington, DC
Typographer:           John Boyd, New York, NY
Modeler:               Banknote Corporation of America (BCA)
Manufacturing Process: Offset, with Scrambled Indicia(r)
Printer:               BCA
Printed at:            BCA, Browns Summit, NC
Press Type:            Goebel 670
Stamps Per Pane/Sheet: 20
Print Quantity:        200 million stamps
Paper Type:            Type I, Prephosphored
Gum Type:              Self-adhesive
Processed at:          BCA, Browns Summit, NC
Colors (PMS Colors):   Yellow, Magenta, Cyan, Black
Image Area:            20.371 x 17.577 mm
Overall Size:          25.146 x 21.336 mm
Full Pane Size:        128.016 x 125.730 mm
Plate Size:            240 stamps per revolution
Plate Numbers:         "B" followed by four (4) single digits
Marginal Markings:     “© USPS 1998” · Price · 
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