This Armstrong flute is a beautiful vintage instrument (circa 1950s), perfect for beginners looking to start playing. Serial #: 28307 and 07 on the mouthpiece. It features closed holes and is in the key of C. The silver color gives it a sleek and professional look. Made in the United States, this flute bears the reputable Armstrong brand. Includes Gator carrying case. Please look at all of the images. If you have any questions please message me.