For those following at home:
ASL is derived form LSF (Langue des signes française), but their counting signs are different, not least because where ASL uses one-handed signs to count to ten (ASL Numbers 1-10 | Sign Language - YouTube), LSF uses two hands for 6-10 (Les chiffres de 0 à 100 en langue des signes (vocabulaire en LSF) - YouTube).
Auslan is derived from BSL, and they both use basically the same one-handed system, distinct from ASL and LSF. (Auslan Online: Numbers 0 to 10 - YouTube)
