Morse code key Vintage telegraph key Lemnos-1912-0.03 (block) Chemical Kit For Radio Technicians Telegraph key & Sounder (2) Germany-1964 Black Arrow (model) KSC-03PD-3300 Sony TC-150 URE QSL stamp 4 QSL ERT (1981) 1 QSL ERT (1981) 2 QSL EIRT (1971) DL BCM95821 HF-Fax_20210325_0932 Decimal Day Machin stamps Hellenic Coast Guard CoA QSL ZL2AH (2001) QSL ZF2QS (2002) 20210406-0024-DRA5 France LaPoste-2021 QSL 9V1JA (2001) QSL SV8QG (2018) F/R Philia @Piraeus (1997) Greece-Pakistan mixed franking 1968 Russia-2020-200R s221 B Russia - mixed definitives 20200930-1822-RS0ISS Greece 2020 €0.90+€2.00 UK-1967-1/- (block) 13852 @LGTT (2006) 120 @LGTT (2006) XT581 UAV (1987) Heathrow Approach Radar (1987) Russia-2019-50R TRESOR ET POSTES 198 (1915) 2787 @LGEL 20080823-Zea-Sea Scouts UK-1967-1d (block) Russia-2019-50+3R STRAT. TAXYDROMEIA 920 (1918) PLS601 @Piraeus PLS601 @Piraeus 20200724-Sikinou-1.27