Iittala Birds by Toikka Green Bird Prototype from 90s’ 6 inch 15.5cm Rare. Iittala Birds by Toikka Green Bird Prototype. Approximately 6 inch 15.5cm. Hand-engraved signature on the bottom. Iittala sticker on the bottom. Depending on the item and destination, you may be able to choose the type of courier. International Buyers – Important Notice. Please note that b. Uyers are responsible for those costs.