I don't want to be a party-pooper, well, alright, yes I do: the 'T' is just due to broken type. Gibbons notes the existence of such things, but doesn't list them.
Here are a couple more from Patiala:
I don't know what rate this might have been paying, but it just might conceivably have been a genuine commercial use:

The 3 rulers: SG 22, SG 39 and SG 64
And this block, which
someone else has separated and stuck back together clumsily with hinges:

the 1885 2 Anna overprinted SERVICE double, one inverted, SG O7a