The Mulcaster building was once located at 1156-1162 (incorrectly designated as 1297 according to one source) Third Avenue, NYC (demolished ca 1965) on it’s facade was this spandrel panel, probably more than one:
Dates: ca. 1885
Dimensions: 25″ x 28″ x 7 1/2″
Located in the Brooklyn Museum, Gift of Mr. and Mrs. Benjamin Frost.
Description: Pressed, fired red terracotta rectangular plaque with head of youth, a butterfly-boy or girl sipping nectar from blossoms through a straw.
I decided to make my version of this 19″ high, 22″ wide which is the same proportion but a little smaller and this begins with the box form for the shape:
