Details of a stamp in my main collection

CID1
StampRef3398
SetRef0
CStateMint
ItemID6182
CoverID
Quality
Description
CollectTypeMain Stamp
Comment
Location
Multiplicity1
PurchaseID0
PricePaid0
CurrencyGBP
Accession
Disposed

No image found for collection/6182.jpg or collection/6182.png

CID1
StampRef3398
SetRef0
CStateUS
ItemID15791
CoverID
Quality
Description
CollectTypeMain Stamp
Comment
Location
Multiplicity1
PurchaseID0
PricePaid0
CurrencyGBP
Accession
Disposed

No image found for collection/15791.jpg or collection/15791.png

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