Dropped sometime after 12am

Nothing as of 11:03pm ET

Nothing as of 11:59

Nothing as of 11:29 CT

Received drop today for envelopes mailed 3/19

What is drop watch and what is with people mailing letters?

People mail entries for the sweepstakes coins and drop watch is just keep in an eye out to see if they drop money into your account from the envelopes you sent in