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I've watched  the movie long time ago, maybe year 1988.And i forget the title since i was only 8 years old.

The story was about the man who drunk day and night and always walked to the beach shore. He saw the sinked boat during low tide, he entered to that boat and looking for something had value.One small crate/wood box pull to the door step of the boat to be used as step for entering the boat..looking to the more boxes inside, he saw wines and 1 bar of gold.He was happy because he had 1 bar of gold then he step out to the boat. without knowing that the box he pulled a while ago for the door step was fulled of gold bars..

that's all.hope you give me the title of this movie. thanks