From the USPS, one 6.5" x 3.5" white paper envelope, with 6 cents pre-paid postage. The envelope has a white whale on a blue oval; the whale, the names Herman Melville, Moby Dick, United States and "6", are embossed.
The envelope has a pre-gummed back flap. Weight of the envelope is less than one ounce.
Stored in a smoke-free, climate-controlled home. Shipment by US Postal Service 1st Class mail.