watch the watermark
dunno. i saw mention of NY and CA "ballots" having the wave graphic, hadn't seen it & went looking. on the envelopes, sure. probably in the paper. maybe the waves are as a mockery or a warning. posting it in the interest of pattern recognition.
call in a welfare check, she's clearly off her rocker.
magnetic ink. makes those funny font account numbers at the bottom of the cheque.
https://en.wikipedia.org/wiki/Microprinting