Details of a stamp in my main collection

CID1
StampRef737
SetRef0
CStateMNH
ItemID2892
CoverID
QualityFine
DescriptionCentral portrait misplaced - 1.5mm low
CollectTypeMain Stamp
Comment
Location
Multiplicity1
PurchaseID0
PricePaid0
CurrencyGBP
Accession
Disposed

No image found for collection/2892.jpg or collection/2892.png

CID1
StampRef737
SetRef0
CStateUS
ItemID9920
CoverID
QualityGood-Fine Used
Descriptioncouple of short perfs top left, part Changhai cds
CollectTypeMain Stamp
Comment
Location
Multiplicity1
PurchaseID1988
PricePaid7.43
CurrencyGBP
Accession20180414
Disposed

No image found for collection/9920.jpg or collection/9920.png

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