How Australia's Biggest Antique Auction House Vanished Overnight: The Mossgreen Collapse

On 21 December 2017 — four days before Christmas — administrators walked into the Mossgreen auction rooms at 926 High Street, Armadale, and locked the doors. Inside were thousands of consigned items belonging to other people: paintings, jewellery, militaria, rare stamps, antique furniture, indigenous art. By morning, none of it could be touched.

For an Australian auction industry already reeling from a tough decade, the implosion of Mossgreen was the loudest crash in living memory. The numbers, when they finally came out, were staggering: roughly A$14.8 million owed, around A$2.8 million in assets, and about 400 creditors, ranging from a Toorak businessman owed A$6 million all the way down to elderly widows who had consigned a single brooch.

This is the story of how an auction house worth almost A$40 million a year went from "third-largest in Australia" to court-ordered wind-up in less than a month — and the legal battle that followed when administrators tried to charge consignors A$353.20 just to get their own property back.

From boutique to behemoth

Mossgreen was founded in 2004 by British-born auctioneer Paul Sumner and Amanda Swanson. Sumner had nearly a quarter-century of international auction experience and a reputation for charm, theatre and a relentless drive to grow.

For most of the 2000s Mossgreen operated as a boutique Melbourne house, with occasional landmark single-owner sales drawing collectors out of the woodwork. The real expansion came in 2013, when Mossgreen merged with Charles Leski Auctions — a much-loved specialist in stamps, coins, militaria and ephemera — and relocated to a flagship 4,500m² space at 926–930 High Street, Armadale.

From Armadale, Sumner pushed hard. New departments. A Sydney room. An Auckland office. A representative in Adelaide. By 2015 Mossgreen was conducting big-ticket sales of Australian art, Asian art, jewellery, decorative arts and Aboriginal & Oceanic art, with annual sales nudging A$40 million. Industry watchers ranked it the third-largest art auction house in the country, behind Sotheby's Australia and Menzies.

The cracks beneath the gavel

Auction houses are unusually risky businesses. They make money on commission — a slice of the hammer price — but they carry the weight of expensive premises, glossy printed catalogues, specialist staff, marketing, and the working capital tied up in items they don't actually own. Cash flow is brutal. One soft month is recoverable; six in a row is not.

Mossgreen's growth strategy required big consignments to keep the saleroom busy and the rent paid. Single-owner sales of high-profile estates were the engine. When several big-ticket sales softened in 2016 and 2017, the gap between turnover and overheads widened. Sumner publicly remained bullish; behind the scenes, suppliers and contractors were waiting longer and longer to be paid.

“Auction house Mossgreen has gone into voluntary administration, blindsiding clients and the wider industry just days out from Christmas.”

The collapse

On 21 December 2017, BDO partner Andrew Sallway was appointed voluntary administrator. Mossgreen staff were stood down. Pre-Christmas sales were cancelled. The Armadale building was sealed.

For consignors — the people whose property was inside — the timing could not have been worse. Tens of thousands of items, many of considerable value and sentimental weight, were now sitting in a warehouse run by people they had never met. Many had no inventory record beyond an emailed receipt.

On 17 January 2018, administrators announced that Sumner's restructuring efforts had failed. Mossgreen would be wound up. The hunt for a buyer for the brand and operations began (eventually unsuccessful), and the painful work of cataloguing what was actually inside the warehouse — and what was actually owed — began in earnest.

Where the money went

By March 2018, the administrators' picture of Mossgreen's finances had crystallised. The headline numbers, drawn from the administrators' reports and the Federal Court record, are bleak:

The single biggest creditor was Jadig Investments, the family company of Melbourne businessman Jack Gringlas, who held a registered security interest of around A$6 million. Behind him sat roughly 400 unsecured creditors — printers, framers, security companies, freight forwarders, casual staff, and on and on.

The $353.20 question

To untangle the warehouse, administrators commissioned a full stocktake of every consigned item. The exercise — barcoding, photographing, matching items to consignor records — took months and cost more than A$1 million.

BDO then made a decision that would dominate the next phase of the saga: they applied to the Federal Court for directions confirming they held an equitable lien over the consigned items, and were entitled to recover the stocktake cost by levying A$353.20 per lot on consignors before releasing their property.

For someone with a single consigned brooch, that was A$353.20. For a dealer with 200 consigned lots, it was over A$70,000.

The Federal Court strikes back

The case was heard in the Federal Court in March 2018. The trial judge initially supported aspects of the administrators' position, but the Full Court — on appeal — was unimpressed. It found administrators did not have the right to charge consignors a fee to collect their own goods, and that the stocktake costs were a cost of administration to be borne by the estate, not by the people whose property had been held to ransom.

Items began being returned. Many consignors reported the process taking months and turning up missing, mismatched or damaged pieces. A handful sued separately. For the auction industry as a whole, the lesson was acid: when an auction house collapses, your consigned property is far less protected in practice than the law might suggest.

“The administrators were not entitled to recover the costs of the stocktake from consignors by way of a lien over their own property.”

What it meant for the trade

The Mossgreen collapse fundamentally rewired how Australian collectors and dealers think about consignment risk:

1. Smaller consignment windows

Reputable houses now far more aggressively schedule sale dates and payouts to minimise the time between item arriving and money flowing out. Long-tail "we'll get to it" consignments became rare overnight.

2. Better record-keeping

Consignors learnt — the hard way — to take their own photographs, get itemised receipts in writing, and hold copies of pre-sale estimates. If an auction house's records vanish, your evidence is the only evidence.

3. A wave of new mid-market houses

With Mossgreen gone, established houses like Leonard Joel, Lawsons, Smith & Singer (formerly Sotheby's Australia) and Menzies picked up market share, while a generation of smaller specialist auctioneers — many staffed by ex-Mossgreen people — opened across Melbourne, Sydney and online.

4. Renewed interest in face-to-face shops

Many collectors quietly went back to physical antique stores and dealers, where the chain of custody is unambiguous and the goods are right there in front of you. (If you're shopping in Australia, our directory of antique stores covers more than 2,500 of them across every state.)

The legacy

Mossgreen was, for over a decade, an enormously important player in the Australian art and antiques trade. Some of the country's most significant single-owner sales passed through its doors. Sumner, for all the criticism, championed entire categories — Indonesian art, modernist Australian design, philately — that other houses had largely abandoned.

But the way it ended changed the rules of the game. For Australian collectors and dealers, the question is no longer just "what will it sell for?" It's also: "what happens to my goods if the house doesn't make it to next December?"

Sources & further reading

• White, in the matter of Mossgreen Pty Ltd (Administrators Appointed) [2018] FCA 471 — Federal Court of Australia judgment.
• Norton Rose Fulbright, "Mossgreen appeal dismissed by Federal Court" — legal analysis of the Full Court ruling.
• Antiques Trade Gazette, ongoing news coverage of the Mossgreen administration.
• Institute of Art and Law, "Mossgreen Auction House: A Fall from Grace" — academic case study.
• Sydney Morning Herald and Australian Financial Review reporting from Dec 2017 – April 2018.