Details of a stamp in my main collection

CID1
StampRef8839
SetRef0
CStateMint
ItemID11213
CoverID
Quality
Description
CollectTypeMain Stamp
Comment
Location
Multiplicity1
PurchaseID0
PricePaid0
CurrencyGBP
Accession
Disposed

No image found for collection/11213.jpg or collection/11213.png

CID1
StampRef8839
SetRef0
CStateUS
ItemID15606
CoverID
Quality
Description
CollectTypeMain Stamp
Comment
Location
Multiplicity1
PurchaseID0
PricePaid0
CurrencyGBP
Accession
Disposed

No image found for collection/15606.jpg or collection/15606.png

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