Lord Vishnu image printed vintage cardboard calendar of the year 1939-40 in my collection

This is "Lord Vishnu" image printed vintage art cardboard calendar of the years 1939-40 in my collection. Front side Lord Vishnu drawing and back side calendar of the years 1939 and 1940 printed in this vintage cardboard calendar. Sharing this vintage calendar today on the first day of the new year 2020.