Lithuanian FN Mauser Rifles:

First pattern (Intertwined "FN" script inside a circle, with "Mod. 24L."
18,149
20,251

Second pattern (Pillars of Gediminas with "24L.")
24,745
31,154
48,649
52,551
54,844
56,088
63,779

Third pattern ("GINKLU FONDAS", "1937" over the Pillars of Gediminas, and "24L." below)
70,865
72,491

Fourth pattern ("GINKLU FONDAS" over the Pillars of Gediminas, and "24L." below, no date)
(No confirmed examples)
 

Lithuanian FN Hi-Power Serial Numbers:
299 3206
414 4874
1341 4949
1374 4957
1435 5595
2202 5629
2367 5843
2486 6070
2681 6273
3139 6437 1953

Note: Special thanks to Henry Gaidis, who observed many of the listed numbers during the course of his collecting and provided them to this site.