You have to check the watermark on the stamps. Do you not have a catalog?
Yes I printed the pages it in black and white, my mistake now that I'm seeing the pdf now in color. sorry about that my mistake
The watermark it's the same,the metod printing it's different:tipographi and litographi. See the informations of Scott#250,255 (original stamps)
It's possible.I don't have the two types.In catalogue Michel the original stamps (190,191) have the same watermark: WZ3.
You are correct. I misread the listing, and deleted my previous post. I think that both of the stamps are #270. The white dots on 270A are smaller.