1950s Romanian minors . . . A-B or CNZ?

AUPT

Many Romanian minors circa 1949-1960 are listed in the Brown Book as being composed of Aluminum-Bronze, but in the Standard Catalog they are called Copper-Nickel-Zinc. Which is correct? I'm asking here about Y92-93, Y96-98 and Y96a-98a. Thanks much for your input!

spoon

I don't think the KM numbers in my 1993 Krause match up to the Y #s you gave, but my book shows a little of each:

1 leu, 1949-51 = Cu-Ni-Zn <-- this the only Cu-Ni-Zn listed
", 51-52 = Al

2 lei, 50-51 = Al-bronze
". 51-52 = Al

5 lei, 48-51 = Al

Monetary Reform coinage:
Al-bronze = 1 ban, 52-54; 3 bani, 52-54; 5 bani, 52-57

CuNi = 10 bani, 52-56; 25 bani, 52-55; 50 bani, 55-56

Then from 1960 these all turn to nickel-clad steel.

cladking

Some of these are a bear to find unc.