Details of a stamp in my main collection

CID1
StampRef9581
SetRef0
CStateMint
ItemID4020
CoverID
Quality
Description
CollectTypeMain Stamp
Comment
Location
Multiplicity1
PurchaseID0
PricePaid0
CurrencyGBP
Accession
Disposed

No image found for collection/4020.jpg or collection/4020.png

CID1
StampRef9581
SetRef0
CStateUS
ItemID13171
CoverID
Quality
Description
CollectTypeMain Stamp
Comment
Location
Multiplicity1
PurchaseID0
PricePaid0
CurrencyGBP
Accession
Disposed

No image found for collection/13171.jpg or collection/13171.png

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