Details of a stamp in my main collection

CID1
StampRef18239
SetRef0
CStateMint
ItemID12885
CoverID
Quality
Description
CollectTypeMain Stamp
Comment
Location
Multiplicity1
PurchaseID0
PricePaid0
CurrencyGBP
Accession
Disposed

No image found for collection/12885.jpg or collection/12885.png

CID1
StampRef18239
SetRef0
CStateUS
ItemID12896
CoverID
Quality
Description
CollectTypeMain Stamp
Comment
Location
Multiplicity1
PurchaseID0
PricePaid0
CurrencyGBP
Accession
Disposed

No image found for collection/12896.jpg or collection/12896.png

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