Details of a stamp in my main collection

CID1
StampRef18235
SetRef0
CStateMint
ItemID12881
CoverID
Quality
Description
CollectTypeMain Stamp
Comment
Location
Multiplicity1
PurchaseID0
PricePaid0
CurrencyGBP
Accession
Disposed

No image found for collection/12881.jpg or collection/12881.png

CID1
StampRef18235
SetRef0
CStateUS
ItemID12893
CoverID
Quality
Description
CollectTypeMain Stamp
Comment
Location
Multiplicity1
PurchaseID0
PricePaid0
CurrencyGBP
Accession
Disposed

No image found for collection/12893.jpg or collection/12893.png

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