Two types of Hungarian stationery (P112 and P108) were overprinted with cliche shown below.
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Overprint used for stationery.
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1944 Senta, local provisional issue, stationery P112, 20f local rate.
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1944 Senta, local provisional issue, fieldpost stationery P108, 20f local rate.
1944 Senta, local provisional issue, stationery P112, 30f (20+10) domestic rate. Note that overprint was done across the stamps.
According to Veličković and Verner, each of three stationery has an additional variant with the first-day cancellation in red (CTO 20.X.44).