3 matching 1870's american italianate white painted pine wood exterior residential window keystones

three matching original and intact 19th centrury american victorian era italianate style white painted pine wood exterior window keystones salvaged from a non-extant stately residence located in hinsdale, il. the three arch top window hood keystones are nicely weathered and worn with old square nails removed from the backsides. deeply incised design motifs typical of this period. priced for the lot of three. attributed to the s.a. brown sash & door co., chicago, il. measure 13 x 8 inches.