Check the listing for details. Scott #2609 Plate Number 4 Strip of 4 With BLIND PERFORATIONS-NOT IMPERF BETWEEN. Color: Multicolored. Listed at 8.00 USD. Hello! This auction is for a MINT NEVER HINGED Plate Number Coil Strip of 4 of Scott #2609, the 29c Flag Over White House, with Plate #4 located at position 3. Although it May look Imperforate Between--there are blind perforations located between all stamps. This strip makes for an eye-catching freak, but IT IS NOT AN ERROR.The 2024 Scott US Specialized Catalogue value for a PNC #4 Strip of 5 is $4.00The strip is in excellent condition--there are no faults or flaws.I also have other auctions of the same plate numbered strip of different lengths, or the plate number in a different location.Check out my other imperforate Flag Errors, including Block Tagging Shifts and Miscuts. Shipping is FREE.I'm a 20 year member of the APS. Thanks for looking!