Tip: You should endeavour to identify the stamp as best you can
Watermark ?
Perf guaging?
Year?
Otherwise members wishing to help, have to do that work or guess.

I make it 1d Grey Queen Victoria Wmk Crown CA
1884
ovpt REVENUE (Red)
Barefoot #(b) 11 CV £5, Yr 2000
Fiscal Cancellation
Bib : Barefoot 2000 Page 228
These stamps were allowed through the postal system
it is good no scoundrel has altered yours to imitate a better postal cancel A11 etc.
PS: Good Thread Title
