Waihi Heritage Vision is appealing for information after a granite plaque commemorating soldiers from the WW1 Tunnellers Memorial was stolen from Gilmour Reserve in Waihi.
The plaque is believed to have gone missing some time from May 5, during the Covid-19 lockdown period.
The plaque, situated at the base of a large white quartz rock relocated from the Martha Mine pit, was the beginning of work undertaken to honour the tunnellers and the men who served alongside them.
The quartz is next to the footpath between the Miners Bench and the memorial.
WHV member Warwick Buckman says the wording on the plaque acknowledged the extensive underground work undertaken by the tunnellers in the French Arras caverns that were designed to protect and safeguard Allied soldiers.
"We're saddened that once again a tribute to the 'Khaki Miners' has been victim to vandalism and wanton destruction," says Warwick.