A photo from an issue of Czech Motor Review from 1957.
The caption reads:-
A charming equipment of young ladies in these days of progress is the graceful Ultra-Lightweight JAWA 50.

Another photo from CMR from 1957. The caption reads:-
At the Poznaň Fair (Poland) the scooter ČEZETA and the JAWA 50 Ultra-Lightweight motorcycle were the centre of attention of journalists.

A photo of a Pionyr 550 being examined by some youngsters, from a copy of Svet Moturu from 1956.

Another photo of a Pionyr 550 from a 1956 Svet Moturu magazine:-
“The Jawa moped arrives in India”.

Another photo, from about 1956, of a Pionyr 550 with interesting weather protection from a screen and leg shields being examined by a couple of lads in unfortunate hats.

Below:-  A photo of a model 550 with two young ladies in very inappropriate riding gear. Photo of unknown origin.

Two adverts for the model 550. Above; a Photo of another young lady with her model 550, this time in much more sensible shoes.