from The Century Dictionary and Cyclopedia
- n. Postage paid on mail-matter sent by steamer or across the sea.
Sorry, no etymologies found.
That with the North German Lloyd was for a weekly service, at the sea-postage.
Hamburg-American lines for a weekly service for the sea-postage.
Government, at sea-postage rates, of forty-four thousand one hundred and ninety-six pounds, since the amount actually earned at sea-postage rates was twenty-eight thousand six hundred and eighty-six pounds. [
The Inman Company had previously offered to perform the service, and had done so for sea-postage only. [