Details of a stamp in my main collection

CID1
StampRef8618
SetRef0
CStateMint
ItemID11479
CoverID
Quality
Description
CollectTypeMain Stamp
Comment
Location
Multiplicity1
PurchaseID0
PricePaid0
CurrencyGBP
Accession
Disposed

No image found for collection/11479.jpg or collection/11479.png

CID1
StampRef8618
SetRef0
CStateUS
ItemID11491
CoverID
Quality
Description
CollectTypeMain Stamp
Comment
Location
Multiplicity1
PurchaseID0
PricePaid0
CurrencyGBP
Accession
Disposed

No image found for collection/11491.jpg or collection/11491.png

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