Plate Numbered Blocks Of 4. Complete Set Of 32 Blocks. Please check back soon as I will be adding new items daily. The item "Scott 803 834 Prexies.Plate Numbered Blocks Of 4 MNH. #02 803PB4s" is in sale since Tuesday, July 3, 2018. This item is in the category "Stamps\United States\1901-40\ Unused". The seller is "rebenic25" and is located in Cape Coral, Florida. This item can be shipped worldwide.