The brass cash box that belonged to Ann Jones, the proprietor of the Glenrowan Inn, was one of only two items present at the Kelly Gang's dramatic last stand in 1880 that remain today.

The other is the bullet-ridden dining room table, and this week the two artefacts were reunited at Beechworth's Burke Museum.

Mrs Jones' only son, 13-year-old John, died during the siege when a police bullet hit him, and her inn was lit on fire by police during their efforts to flush out Dan Kelly and Steve Hart after Ned was captured.

Burke Museum manager Cameron Auty said the box and table were "significant".

"There's a few smaller things like bullets left over from the last stand, but in terms of large items these are the only two left," he said.

"The siege at Glenrowan is one of the most significant events in Australian history and the culmination of the Kelly story.

"To have these artefacts together is a real coup for Indigo Shire."

The Kelly Gang bailed up 62 locals into the Inn and they waited for the Beechworth-bound police train.

The train was delayed for hours, so the table was dragged out onto the verandah to make room for the gang's prisoners to dance.

The table has been at the Ned Kelly Vault since it opened, but the box owned by a private party has been on display at the Victorian Police Museum.

The cash box will be displayed long-term at the vault, but for the next two months it will be at the Burke Museum to feature in an exhibition about Mrs Jones.

Ned Kelly Vault founder Matt Shore said it was a tragic element of the story.

"If any artefact symbolises the tragic events which engulfed so many people in and around the Kelly story, this is it," he said.

The siege was also the site of the deaths of three Kelly Gang members (Joe Byrne, Dan Kelly and Steve Hart) and civilian Martin Cherry.