#K13 MNH OG 1922 Plateblock of Shanghai, China US Postal Agency Surcharge.... Fresh w/ Rich, Vibrant Colors... C heck out my other items. I will try to respond quickly. Check out my other items.POSSESSIONS, POSTAL HISTORY COVERS, AND OTHER POPULAR PHILATELIC ITEMS. Be sure to add me to your favorites list. The item "#K13 MNH OG 1922 Plateblock of Shanghai, China US Postal Agency Surcharge. A" is in sale since Wednesday, October 10, 2018. This item is in the category "Stamps\United States\Back of Book\Other US Back of Book Stamps". The seller is "pdq$tamp$" and is located in Virginia Beach, Virginia. This item can be shipped to United States.