Thank you for submitting your item for appraisal. The artist Colin Croft , active around 1965 in the Bondi NSW area hasn´t left any trace on the art market. The painting is very spontaneous and appears to be acrylic or oil on board. There is some artistic value to it. Unfortunately the art market judges art also on aspects like biographical data, prestige value, size, technique, color, demand and supply and condition. The painting in your possession meets today´s taste and would be a great addition to a mid century modern interior design.
The estimate is based on similar paintings by unknown artists of the same era sold at auction.