Details of a stamp in my main collection

CID1
StampRef16364
SetRef0
CStateMH
ItemID15070
CoverID
Qualityfine
DescriptionWith bottom margin. HKM 19.6 x 22.1 narrow(?) perf 13. Centred slightly high and right.
CollectTypeMain Stamp
CommentSurcharge faint red, 8.0 x 7.9 mm. Long stroke gai.
Location6
Multiplicity1
PurchaseID0
PricePaid0
CurrencyGBP
Accession
Disposed

There is one example of this stamp in the collection.