Found Smartcards can be returned by Police. People and property owners love tagged or marked property. Paintings and antiques can have property identification marks covertly attached. Lost and found service on the Internet. Promotional product tags and marks are very successful even in households.
Covert marks are very small.
They provide undeniable proof of property ownership. Internet Lost and Found. Covert markings are cheap for owners. Covert tagging is easy to apply. Stolen marked or tagged goods are of no value to a thief or thieves.