This unsealed envelope carried a printed message, however, it was not marked Nyomtatvány (printed matter) and a 40 fillér general foreign letter should have applied.  None the less, Hungarian and United States postal officials allowed Green Bar Bill cacheted envelops to be delivered with as little as 10 fillér.  This particular sender also requested US Airmail service.  New York postal officials would not honor the 8¢ postal envelope franking for Airmail service in the USA.