As reported by the Bolesławiec municipal authorities:
KD offers travel to Bolesławiec for the 26th Bolesławiec Ceramic Festival as part of the “Free Return” promotion. The promotion entitles passengers to a free return to their departure station as part of a “There and Back” ticket upon presenting a ticket stamped with a special stamp.
What about electronic tickets?
Bolesławiec Municipal Office:
The promotion also applies to electronic tickets. In this case, the traveller will receive a special card with a stamp. The stamp can be obtained at the Koleje Dolnośląskie stand—the stand is located next to “Okrąglak”.
The promotion covers tickets purchased on 22 and 23 August, that is, on Saturday and Sunday.