https://www.sunphilate.com/simage/u20x1146.jpg

The paper is very white and it is selling for less than 10.00 dollars.
Is it or could it be real?
"Abbreviations:
"MINT: Unused with Gum, Maybe Hinged, could be regum. NH: Never Hinged. Unused: A Stamp Issued With Gum, But Has None. OG: Original Gum. VLH: Very Lightly Hinged. HR: Hinge Remnant. NGAI: No Gum As Issued. 1-10: Complete Set of 1 to 10. 1/10: Incomplete Set Between 1 and 10. Some stamps could be expertly restored, regum, or repaired. The Retail Value is from the following Catalogs: Scott, Gibbons, Michel, Unitrade, Brookman, JSPA, Chan. All stamps are shown front and back, so any faults present would be easily visible. However, please feel free to contact us if you have any questions regarding any particular item."
Is this correct in general?