Details of a stamp in my main collection

CID1
StampRef3326
SetRef0
CStateMH
ItemID6167
CoverID
Quality
Description
CollectTypeMain Stamp
Comment
Location
Multiplicity1
PurchaseID0
PricePaid0
CurrencyGBP
Accession
Disposed

No image found for collection/6167.jpg or collection/6167.png

CID1
StampRef3326
SetRef0
CStateUS
ItemID9959
CoverID
Qualityused on piece
Descriptionimperf vertical pair, top stamp missing corner, indistinct 1950 cds, probably Shanghai
CollectTypeMain Stamp
Comment
Location
Multiplicity2
PurchaseID2486
PricePaid3.24
CurrencyGBP
Accession
Disposed

2 different examples of this stamp were found in the collection.