The second one is indeed Liege too. It's this one: 1 Liard 1746, 5th type, Prince-bishopric of Liege:
https://en.numista.com/catalogue/pieces29808.html
Three digits of the date are clearly visible: 17x6. There are only 2 types with this combination and the date digits separated around the shields on the reverse. KM# 146 and KM# 150 but look at the shape of the obverse shield: yours is KM# 150.