“Please do not smile at strangers” (subway sign)

“Please do not smile at strangers” is a New York City subway sign that has been printed on many images.
 
The sign was installed by art students in February 2011 in Manhattan at the 14th Street F train. It was not an official MTA subway sign.
 
     
Tumblr
Stolen Camera
February 15, 2011
New York instructions, 14th St F train: “Please do not smile at strangers” - a sign posted by artists in the same style as the standard MTA instructional signage.
New York instructions, 14th St F train:
“Please do not smile at strangers” - a sign posted by artists in the same style as the standard MTA instructional signage.
         
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Kathryn Yu Has Left This Site
@kathrynyu
New York instructions, 14th St F train: Please do not smile at strangers http://bit.ly/g8sfz9
4:23 PM · Feb 15, 2011
     
Gothamist
Tip: Don’t Smile At Strangers
By Jen Carlson
Published Feb 22, 2011
Modified Feb 22, 2011
(The sign is shown.—ed.)
 
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STREET ART UTOPIA
May 21, 2011 at 6:16 AM ·
http://www.streetartutopia.com
— with Marcio De Castro and 6 others
(The sign is shown.—ed.)
 
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Rey Snoh
@rennettefortune
My favorite New York sign writes “Please Do Not Smile At Strangers” no wonder ppl are afraid 4 me when I go up there….smiling is my talent
5:32 PM · May 31, 2011
 
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Manuel Carrasco
@Churreron
Please, do not smile at strangers // Por favor, no sonrías a extraños.
(The sign is shown.—ed.)
4:57 PM · Sep 6, 2012
 
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RieN_adhir
@Nadh_G
Spotted @ NYC’s subway “Please do not smile at strangers” by a bitter one (mOuAhAhAhAhAh) #streetart #NYC
(The sign is shown.—ed.)
6:37 PM · May 31, 2013
 
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♡Dealwithirish
@IrishIbanez
>>> PLEASE DO NOT SMILE AT STRANGERS <<

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(The sign is shown. -- ed.)
9:04 PM · Aug 15, 2013

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Victoria
@untedecedron
Please do not smile at stranger.
(The sign is shown.—ed.)
10:05 PM · Jan 7, 2014
 
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charlotte
@chartsweb
Please do not Smile at Strangers found in NY underground
(The sign is shown.—ed.)
10:30 AM · Sep 13, 2014
 
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MIISHAB
@miishabmiishab
Here’s a late #tbt found this sign when I first moved to NY “please do not smile at strangers” https://instagram.com/p/85ua5XiwtR/
10:33 AM · Oct 16, 2015
 
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Kathryn Ebooks
@kathryn_ebooks
6th Ave closed downtown, 14th St F train: Please do not smile at strangers
3:24 AM · Aug 30, 2016
 
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Bongpay
@BNGPY
Please do not smile at strangers
(The sign is shown.—ed.)
8:35 AM · Mar 5, 2020