Overall: 7 1/4 x 3 7/8 in. ( 18.4 x 9.8 cm )
printed: in blue on airplane: "SPIRIT OF/ ST. LOUIS"; "NX 211 N.Y.P."
Sheet metal noise-maker in the form of a megaphone; white ground with red and blue bands and blue printed airplane with inscription "SPIRIT OF/ ST. LOUIS" and "NX 211 N.Y.P."
Due to ongoing research, information about this object is subject to change.