Mail A Letter [ WORKING ]

Use a ballpoint pen with dark ink and avoid writing across seams or tape. 3. Apply Correct Postage

Correct addressing is the most crucial step to avoid delivery delays. MAIL A LETTER

If your letter is heavier than 1 ounce, rigid, or lumpy (containing items like coins), it may require a non-machinable surcharge or additional stamps. Use a ballpoint pen with dark ink and

Choose appropriate paper to match your purpose—professional-grade for formal mail or decorative for friends. or lumpy (containing items like coins)

For a standard envelope weighing under 1 ounce, one USPS Forever Stamp is typically sufficient for domestic mail in the U.S..