1950s expressionist watercolor painting of boats, port, sea, fishing

Beautiful watercolor, expressionist style representing boats and fishermen, a quay from the 50s signed and dated "59" signature to be identified. Modern composition from the 50s / 60s the work is well finished and fresh, well framed and under glass. Wooden frame I was not able to identify the signature. Alas. In good condition some light marks on the back dimensions: frame height: 58 cm width: 44 cm thickness 1.5 cm weight 2.100 kilos fast and well protected shipping.