Packaging - Barcode
The mother of all vertical patterns

 
If this wasn't a barcode it would be a perfect found abstract. This is a rare example of a technical feature with unintended pleasant aesthetics. The more advanced QR-Code cannot match it in this respect.

 
 
 
 
For variations on this theme see Abstract 48, 63 and 73..76. All the abstracts are linked from Archives (see the link in the top of this page).