Simple past tense and past participle of frank.(verb)
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Use "franked" in a sentence
"In House races, lightly covered by the press, news is mostly generated by incumbents, who get to send out "franked" mailings to constituents that testify to their greatness at taxpayers 'expense."
"Democrats have to approve these mailings under the House "franked" mail system -- the system by which communications are sent between Congress and constituents that requires the member signature in place of a stamp."
"Crist appoints himself becoming the incumbent with all the priviliges (franked mail) and advantages (constant media exposure as a senator) of an incumbent."