5 R. on 10 Kopeks red-lilac, overprint type III (swastika 4mm), on overfranked registered cover not carried through the post, envelope folded in centre away from franking and somewhat stained, Cyrillic "18 8 41" favour cancellation, stamp minimally stained with issue-typical perforations, extremely rare decorative item bearing this already very rare stamp, signed EKeiler and photo certificate Walter Zirath BPP (2025) "The stamp is somewhat stained. Otherwise no faults are apparent, as the perforations are typical. The cancellation was applied as a favour. This is a very rare stamp."