This is a Common Teal Female bird. Design by famous professor Oiva Toikka and hand made in the legendary Nuutajärvi glass factory in Finland 1999-2009. This model is presented on page 101 in the book "Toikan Lasilinnut - Toikka's Glass Birds".
Signature: O. Toikka Nuutajärvi
Condition: Excellent
Size: 170mm x 115mm