US Postal Service Agency In China Postcard

I just discovered that I posted this in a much older thread, but never made sure to ask my question correctly. This is Scott K1, the 2c on 1c green on a postcard dated September 10, 1922 which makes it valid for the time issued (from July 1, 1919 to December 1922). What is nice is that it is on a postcard showing almost the complete duplex cancel ("U.S. Pos. Service Shanghai / China"). Perfs check out at 11 all-around. Does anyone have a wild guess for value on a postcard?




Also, does anyone have any information on the S.S. Pres. Madison? I can only find one link to a photo of the ship moored to China Merchants Central Dock, Shanhai at: https://www.virtualshanghai.net/Pho...ges?ID=34829

I found two quick references at this excellent website. I'll have to look in much more detail.
https://www.ggarchives.com/OceanTra...ernment.html

This produces some results but these were sold in 2010 as shown on Siegel's Power Search: https://siegelauctions.com/lot_grd....tFirst=First

Edited to add missing "re" on a word and:





https://digitalcollections.lib.wash...ai/id/11183/

Text and a photo of the ship as it tried to roll in dry-dock, killing one.

Thanks ... gives me an idea of value.

You were quick I just edited my above post for your second question. Folks need to remember this is a 1920 ship not the later version.