Romania silver coins

I bought these at a flea market store in Arkansas, this women had a jar full of these with small note, Romania Coins $2.50 each all $90.00, I never bought coins like this before but I could tell they were silver coins, I offered her $80.00 for all of them and she sold them to me. I got 15 Carol I Domanul Roman IEI SL 1880. Got 19 MihAl-I-Regele Romanilor 500 LEI 1941. Got 12 Mihail Regele Roanilo 100000 LEI year 1946 all silver coins what a buy