This is a Sebastian Miniatures dealer plaque, featuring a figurine of a town crier next to a plaque advertising Sebastian Miniatures. These plaques were sold to dealers to display in their stores from the first one in 1951.
This plaque is one of several variations of the original model (SML-168) issued in 1951. This particular one was produced from 1976 to 1978 by the Lance Corporation, with production number 6998. It is estimated just 5,026 of this particular one were issued and it measures 4.75" tall. It no longer has any original box.