Usps Stamps Price Increase 2024 Pdf. Along with stamp increase, usps is also hiking up prices for.  — the cost of stamps for international letters and postcards will increase by 5 cents, from $1.50 to $1.55.

 — the cost of stamps for international letters and postcards will increase by 5 cents, from $1.50 to $1.55. Along with stamp increase, usps is also hiking up prices for.