Details of a stamp in my main collection

CID1
StampRef18238
SetRef0
CStateMint
ItemID12884
CoverID
Quality
Description
CollectTypeMain Stamp
Comment
Location
Multiplicity1
PurchaseID0
PricePaid0
CurrencyGBP
Accession
Disposed

No image found for collection/12884.jpg or collection/12884.png

CID1
StampRef18238
SetRef0
CStateUS
ItemID12895
CoverID
Quality
Description
CollectTypeMain Stamp
Comment
Location
Multiplicity1
PurchaseID0
PricePaid0
CurrencyGBP
Accession
Disposed

No image found for collection/12895.jpg or collection/12895.png

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