Details of a stamp in my main collection

CID1
StampRef3840
SetRef0
CStateMint
ItemID8992
CoverID
Quality
Description
CollectTypeMain Stamp
Comment
Location
Multiplicity1
PurchaseID0
PricePaid0
CurrencyGBP
Accession
Disposed

No image found for collection/8992.jpg or collection/8992.png

CID1
StampRef3840
SetRef0
CStateUS
ItemID9001
CoverID
Quality
Description
CollectTypeMain Stamp
Comment
Location
Multiplicity1
PurchaseID0
PricePaid0
CurrencyGBP
Accession
Disposed

No image found for collection/9001.jpg or collection/9001.png

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