flannelette (/flanuh'let/)
noun: a cotton fabric, plain or printed, napped on one side to imitate flannel.

The first 2 are from the Sexquisite magazine

Now, look VERY carefully at these three...

The first 2 are slightly different, and the third is not a flipped duplicate - they're different

Hard to tell if this is a repeat or a variant.

I wonder if Sabrina ever noticed the inadvertent 'nip slip' in this shot.

Normal view is now supersized!

And ones from Foto-Rama

Click to see the Modern Man article in full

Courtesy of ignatz - with more to come! Thanks, ignatz! He says...
I have 27 sabrina images obtained from various locations on the internet over the last 5 or 6 years. Great site -- particularly like the aussie tv video clip. She and June Wilkinson are the only Brit 1950s pinup gals that I can specifically recall seeing in mags during my callow youth.

From Cabaret, August 1957

Thanks to Lord Reg for the new BIG scan of this pic!