14 Years Later: Plaque Proclaiming JP as ‘Eden of America’ Being Reinstalled at Post Office By David Ertischek on June 26, 2018 14 Years Later: Plaque Proclaiming JP as ‘Eden of America’ Being Reinstalled at Post Office A plaque from 1976 proclaiming Jamaica Plain as the “Eden of America” will be reinstalled Wednesday at the Centre Street post office more than a decade after it was removed due to construction.