Details of a stamp in my main collection

CID1
StampRef3399
SetRef0
CStateMint
ItemID6183
CoverID
Quality
Description
CollectTypeMain Stamp
Comment
Location
Multiplicity1
PurchaseID0
PricePaid0
CurrencyGBP
Accession
Disposed

No image found for collection/6183.jpg or collection/6183.png

CID1
StampRef3399
SetRef0
CStateUS
ItemID15792
CoverID
Quality
Description
CollectTypeMain Stamp
Comment
Location
Multiplicity1
PurchaseID0
PricePaid0
CurrencyGBP
Accession
Disposed

No image found for collection/15792.jpg or collection/15792.png

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