In a washroom:
 

TOILET OUT OF ORDER. PLEASE USE FLOOR BELOW

In a Laundromat:

AUTOMATIC WASHING MACHINES: PLEASE REMOVE ALL YOUR CLOTHES WHEN THE LIGHT GOES OUT

In a Memphis department store:
BARGAIN BASEMENT UPSTAIRS

In an office:

WOULD THE PERSON WHO TOOK THE STEP LADDER YESTERDAY PLEASE BRING IT BACK OR FURTHER STEPS WILL BE TAKEN

In another office:

AFTER COFFEE BREAK STAFF SHOULD EMPTY THE COFFEE POT AND STAND UPSIDE DOWN ON THE DRAINING BOARD

Outside a secondhand shop: 
WE EXCHANGE ANYTHING - BICYCLES, WASHING MACHINES, ETC. WHY NOT BRING YOUR WIFE ALONG AND GET A WONDERFUL BARGAIN?

Notice in health food shop window:

CLOSED DUE TO ILLNESS

Spotted in a safari park:

ELEPHANTS PLEASE STAY IN YOUR CAR

Seen during a conference: 

FOR ANYONE WHO HAS CHILDREN AND DOESN’T KNOW IT, THERE IS A DAY CARE ON THE 1ST FLOOR

Notice in a farmer’s field:

THE FARMER ALLOWS WALKERS TO CROSS THE FIELD FOR FREE, BUT THE BULL CHARGES.

Message on a leaflet:

IF YOU CANNOT READ, THIS LEAFLET WILL TELL YOU HOW TO GET LESSONS

On a repair shop door:

WE CAN REPAIR ANYTHING. (PLEASE KNOCK HARD ON THE DOOR - THE

Thanks for sharing Ruth!