Stained glass rosette shard from the 16th Street Baptist Church

A stained glass rosette shaped shard (a) from the 16th Street Baptist Church in Birmingham, Alabama. The piece consists a cream diamond-shaped center, surrounded by rings of blue, ochre, and purple colored glass within a lead frame. Two pieces of the lead frame (b, c) are not connected to the rosette shaped stained glass and most of the top right segment of the ochre colored glass is missing.