I asked relatives about the names on the friendship block without success. I finally asked my aunt [in law] directly without revealing that I'm doing this quilt for her as a surprise. Turns out, the embroidery was done by a friend of her mother.
antique block front
[ATTACH=CONFIG]176999[/ATTACH]
antique block back
[ATTACH=CONFIG]563203[/ATTACH]
antique block label
[ATTACH=CONFIG]563202[/ATTACH]