Block numbered in two places: 8825., Waist-length portrait of John Adams, who founded many Sunday schools., Signed: A.H. Markley, sc., “V. Grottenthaler [?]” – Back of block. Vincent Grottenthaler is listed (as a dealer in boxwood) in Philadelphia city directories from 1867 to 1876., Illustration appears in A fruitful life: a narrative of the experience and missionary labors of Stephen Paxson (Philadelphia, 1882), opp. p. 47.