A hatch, a celt, an earshare

• Hatch ... celt ... earshare → HCE

• hatch: to mark with fine diagonal lines → ALP's letter

• hatch: to come from an egg → HCE as Humpty Dumpty

• hatchet

• celt: an early stone tool

• Celt: a member of the Celtic race

• earsh: a stubblefield

• share: a blade, especially a ploughshare