How much postage on a Hallmark musical card?

Hallmark musical cards require extra postage due to their weight and dimensions. The exact postage cost may vary depending on the specific size and weight of the card, as well as the destination. On average, you can expect to pay around $2-$3 extra for postage on a Hallmark musical card when mailing domestically within the United States. If sending internationally, the postage cost may be higher. When in doubt, always check with the United States Postal Service (USPS) or consult USPS postage calculator for the most up-to-date postage rates.