Can Postcard Stamps Be Used On Letters. Choose envelope or postcard envelopes are for sending flat, flexible things, like letters, cards, checks, forms, and. Web in most cases, using a postcard stamp on a letter is not recommended, as it may not cover the postage cost.
Choose envelope or postcard envelopes are for sending flat, flexible things, like letters, cards, checks, forms, and. Web in most cases, using a postcard stamp on a letter is not recommended, as it may not cover the postage cost.
Choose envelope or postcard envelopes are for sending flat, flexible things, like letters, cards, checks, forms, and. Web in most cases, using a postcard stamp on a letter is not recommended, as it may not cover the postage cost. Choose envelope or postcard envelopes are for sending flat, flexible things, like letters, cards, checks, forms, and.
