Details of a stamp in my main collection

CID1
StampRef8620
SetRef0
CStateMint
ItemID11481
CoverID
Quality
Description
CollectTypeMain Stamp
Comment
Location
Multiplicity1
PurchaseID0
PricePaid0
CurrencyGBP
Accession
Disposed

No image found for collection/11481.jpg or collection/11481.png

CID1
StampRef8620
SetRef0
CStateUS
ItemID11489
CoverID
Quality
Description
CollectTypeMain Stamp
Comment
Location
Multiplicity1
PurchaseID0
PricePaid0
CurrencyGBP
Accession
Disposed

No image found for collection/11489.jpg or collection/11489.png

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