Naked male mannequins in a shop window with a sale disc strategically covering them in a shop window at Yarrawonga, Victoria

Naked male mannequins in a shop window with a sale disc strategically covering them in a shop window at Yarrawonga, Victoria in August 2018

Bomb sale sign at the Big C shopping centre in Khao Lak, Thailand

Bomb sale sign at the Big C shopping centre in Khao Lak, Thailand in August 2017

Sale in a shop in Trang, Thailand. The woman is photographed upside down

Sale in a shop in Trang, Thailand in May 2016. The woman is photographed upside down

Garage sale poster in Victoria Street, Richmond, Melbourne

Garage sale poster in Victoria Street, Richmond, Melbourne in October 2013

A women's Madone 2.1 Trek bicycle for sale in a shop in Ballarat, Victoria

A women's Madone 2.1 Trek bicycle for sale in a shop in Ballarat, Victoria in March 2016

Sale sign in a shop in Budapest, Hungary in January 2014. Red stilettos

Sale sign in a shop in Budapest, Hungary in January 2014. Stilettos

Price massacre (sale) sign in a shop window in Prague, Czech Republic. The Grim Reaper with an axe!

Price massacre (sale) sign in a shop window in Prague, Czech Republic in February 2014

Clothes for sale in the Robinson shopping centre in Trang, Thailand

Clothes for sale in the Robinson shopping centre in Trang, Thailand in May 2016

A naked sale sign at a shop at the Melrose Arch shopping centre in Johannesburg, South Africa

A naked sale sign at a shop at the Melrose Arch shopping centre in Johannesburg, South Africa in February 2015.

Poster advertising a big record and book sale seen in Canberra

Poster advertising a big record and book sale seen in Canberra in December 2012

I love a discount sale sign in a shop window in Berlin, Germany

I love a discount sale sign in a shop window in Berlin, Germany in February 2014

Promotion (special price for special time) in a clothes shop at the Mall shopping centre in Korat (Nakhon Ratchasima) in Thailand

Promotion (special price for special time) in a clothes shop at the Mall shopping centre in Korat (Nakhon Ratchasima) in Thailand

Sale for Today sign in a shop window in Hanoi, Vietnam

Sale for Today sign in a shop window in Hanoi, Vietnam, January 2012

Playboy store sale in Hanoi, Vietnam

Playboy store sale in Hanoi, Vietnam in January 2012

Mannequins in underwear with sale signs in a shop window in Vienna, Austria

Mannequins in underwear with sale signs in a shop window in Vienna, Austria in January 2014

Sale sign in a shop in Dotonbori, Osaka, Japan. Hurry! Buy it now, regret it later. Life is too short buy it now

Sale sign in a shop in Dotonbori, Osaka, Japan in March 2015. Hurry! Buy it now, regret it later. Life is too short buy it now

Sale sign in a clothes shop in Osaka, Japan. Sale to you who know true values 30% off

Sale sign in a clothes shop in Osaka, Japan in March 2015. Sale to you who know true values 30% off

Sale sign in Berlin, Germany

Sale sign in Berlin, Germany in February 2014

Free drugs poster in Brunswick Street, Melbourne. It is actually a poster for a garage sale

Free drugs poster in Brunswick Street, Melbourne in December 2014. It is actually a poster for a garage sale

A sale sign in a shop window in Brunswick Street, Melbourne

A sale sign in a shop window in Brunswick Street, Melbourne in December 2014