I have finally found an efficient way of finding specified serial numbers on collectors' banknotes on the Web. Here's a sample of results:
44283 + 44284 + 44285 + 44286 + 44287:
44283
44284
44285
44286

- 44286_s-l1600.png (2.38 MiB) Viewed 4679 times
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44287
7959 + 7960 + 7961 + 7962 + 7963:
7959 no longer missing (next: 7960…7986, 7988, 7989, 7991…8067)
7960 no longer missing (next: 7961…7986, 7988, 7989, 7991…8067)
7961 no longer missing (next: 7962…7986, 7988, 7989, 7991…8067)
7962 no longer missing (next: 7963…7986, 7988, 7989, 7991…8067)
7963 no longer missing (next: 7964…7986, 7988, 7989, 7991…8067)
