Bing & Grondahl figurines The pessimist and the optimist birds

Bing & Grøndahl Figurines called "The pessimist" (tail down) and the optimist (tail up) birds. The factory mark tell that these was produced between 1962 and 1970. Decoration number 1633 and 1635. Factory first. Length 11.5 cm. Perfect condition with no chips, cracks or repairs.