Lencho compares the raindrops as new coins because the raindrops help him to grow and harvest the crops, which results in more prosperity. Hence, he compares raindrops to new coins.
In this sentence, Lencho used a metaphor. Lencho is a “farmer”, and he depends on rain for farming. Lencho compares the raindrops as new coins because the raindrops help him to grow and harvest the crops, which results in more prosperity. Hence, he compares raindrops to new coins.
