Month Verse Painting City Jewel Flower Status Immigration Group Title
August 3 11 Boston, MA Peridot Gadiolus Found Italy Salem Witch

Summary

The Boston Casque was found by Jason Krupat in 2018 near home plate, at the middle baseball field in Langone Park, Boston. This disovery was documented in an episode of Expedition Unkown. The Casque was dug up by an excavator during construction.

Map

A mushroom-head robot

Painting

Image matches

Painting Clue Source
Gadiolus
 
02213 is the zip code of the North End of boston
Mysterious Writings
The latitude of Boston is 42  
The longitude of Boston is -71. A 70 with a backwards 7 can be seen near her right elbow  
The figure depicted is a witch (a nod to to the Salem Witch Trials)
Her hair is shaped like a baseball diamond
She seems to be opening Pandora's box
JJP on EU
Boston globe John Judge Palencar on Expedition Unknown
Boston Pops JJP On EU
BOSTON JJP on EU
Columbus looks like a match to some but JJP commented saying he used a model on The Secret Podcast youtube The Secret
The large circular window in the image is mean to represent a porthole on a ship like the USS constition, though the actual constitituion doesn't really have portholes, though it does have hawse holes youtube The Secret
Confirmed by JJP on EU.
USS Consitition Museum Signal Flag Chart
North end warfs JJP
Home plate "feel at home"
The casque was buried under or near home plate
JJP

Verse Matches

Verse Clue Source
If Thucydides is
North of Xenophon
Written on the outside of the Boston Public Library Jason Krupat on Expedition Unknown, common searcher theory
There is also a quote by Horacle Whalpole
Take five steps
Pass five warfs Jason Krupat on on EU
In the area of his direction To the North End JK on EU
A green tower of lights Tobin Bridge Krupat on EU

In the middle section
In the middle of 3 ballfields Krupat on EU
Near those
Who pass the coliseum
With with walls
Near Copps Hill Burying Ground and the ice rink (coliseum) </br >Metal walls could be a reference the nickname of the USS consitution across the harbor's "Iron Sides" nickname.  
Face the water Face the Boston Harbor  
Your back to the stairs Your back to Copps Hill Terrace stairs Unconfirmed
Feel at home Feel for the treasure under home plate Confirmed by find
All the letters
Are here to see
Signal flags on USS constitution? Speculation
Eighteenth day
Twelfth hour
Lit by lamplight
References to Paul Reverse Ride  
In truth, be free. Could be a refence to the famous Saco & Vanzetti trial langone was related to
John 8:32.
reference to the image, pandora freeing the faires from
Speculative

Japanese Hint

The editor told me that if I gave you any hint at all, it would immediately solve the riddle.

Source: http://quest4treasure.co.uk/phpbb3/viewtopic.php?f=32&t=8158&p=15531 & 12 Treasures The Secret Podcast