Applicability of the New Rules. The new cargo securement rules apply to the same types of vehicles and cargo as the old rules, covering all cargo-carrying commercial motor vehicles (as defined in 49 CFR 390.5) operated in interstate commerce.
Most commercially-produced postcards measure approximately 4.21 inches by 5.47 inches. Less commonly, smaller postcards are typically 3.5 inches by 5.5 inches, close to the minimum size the USPS allows.
Advertising postcard. A postcard that advertises a product, service, or event. Advertising trade card. A card that advertises something but is not a postcard. Antique postcard. Usually refers to a postcard published before 1920. Artist-signed. The artists signature appears on the postcard illustration. Chrome. A printed glossy-surface postcard that was based on a color photo.