Details of a stamp in my main collection

CID1
StampRef8310
SetRef0
CStateMint
ItemID7408
CoverID
Quality
Description
CollectTypeMain Stamp
Comment
Location
Multiplicity1
PurchaseID0
PricePaid0
CurrencyGBP
Accession
Disposed

No image found for collection/7408.jpg or collection/7408.png

CID1
StampRef8310
SetRef0
CStateUS
ItemID15643
CoverID
Quality
Description
CollectTypeMain Stamp
Comment
Location
Multiplicity1
PurchaseID0
PricePaid0
CurrencyGBP
Accession
Disposed

No image found for collection/15643.jpg or collection/15643.png

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