[Left:] month

Instructions for use
1. The promissory note is only valid for the specified grain with the food certificate. Buy grain at the station, not in circulation.
2. The promissory note is valid on a monthly basis and becomes invalid upon expiration.
3. Buying and selling of promissory notes is strictly prohibited, and offenders will be onfiscated; lost ones will not be replaced.

Translation via Google Translate.
Any help would be appreciated.