Finland. Postal stationery brev, Reply card 90/20+90/20 p, additionally franked with 30+30 p, sent in both directions, first from VIIPURI 2 VIBORG 2 11.XI.23 to RIGA TATWIJA 15.11.23. Undeliveraable with cancellations UNCONNU and RETOUR, and with attached label. Then sent to VIIPURI 2 VIBORG 1.XI.23 and forwarded to HELSINKI HELSINGFORS 2.XI.23 and TAMPERE TAMMERFORS 4.XII.23. Scarce double usage.