The Crossrail archaeology programme has also unearthed its first Bronze Age finds - although these won't form part of the exhibition.
Two wooden stakes, cut by early London hunters with an axe, and a hammer stone have been discovered at excavations at Plumstead.
Historians believe these may have been used to build a large network of timber pathways across east London, which may have made it easier for hunters to catch animals living in the lush wetlands some 3,500 years ago.
More top news
Two fathers from different parts of London both lost their sons in senseless acts of violence.
TUC research shows that average costs of childcare are outpacing wage growth.
A "weather bomb" is set to bring heavy wind and rain to the UK over the weekend.