? If you want to change $100 dollar bills, not only must they be crisp and wrinkle free, but they have to have the blue reflective stripe down the middle that newer bills have. I was just in Thailand and brought home several bills everyone refused.
Time was, this is how immigration workers in the US behaved, also. I have many dual citizens in my family and they say, 1) don’t flaunt the fact that you have 2 passports. 2) Enter each country with the appropriate passport. Then there are no stamps involved.