Help Required - Snow white & 7 dwarfs cards

[ciggycards]

I have just picked up 40 cards with pictures of snow white and the 7 dwarfs on??? normal cigarette card size!! and with chinese writing on backs? i have been collecting for some time now and have never seen these cards? any help would be welcome??

[Burana007]

They are most likely blue back and with 'NY' text ?? mean 'Nan Yang', check word index N112 section.
I have being collecting chinese cards near 10 years..(in china)