As recently as the 2000 decade when taking the minibus to cross from Malaysia via Sadao the driver would collect the pps while we all waited in the van. There was also some baksheesh involved, I think it was 100b tucked in the pp.
This was a big thing in India in the 1970s. There was a whole theatrical performance involving the inspection and rejection of bad notes, mimicked wherever travelers were meeting up. The real purpose was to get more money from you: e.g. you would be offered 9 rupees for your 10 rupee note. This became a running scam on the Ranong visa run, the touts would tell you that your less-than-pristine US notes will be unacceptable by the Burmese.
Here is another one, very popular in Bkk 1975: a young couple would be walking down the street, and when you cross paths the guy points to gf and says "you want woman?" while she stands there smiling. Never acted on it, I figured it was an attempted rip-off -- where I come from that kind of setup was called a "murphy." I was staying near Hualumpong, where on the street it was a regular occurrence. But the advantage of staying in that area was the fortune teller lady who sold weed, and the Chinese hotel/restaurant/bordello didn't mind smoking it in the rooms.