647 History of Telecommunications Thematic Collection formed by OTC (Overseas Telecommunications Corp) in 13 deluxe huge leather bound custom made loose leaf albums (would have cost a fortune) -1 binder needs repair, all in Hawid mounts with extensive type written background info inc much Historical & Biographical research. Vol 1 (255) Precursors Pioneers of Telecommunications. Vol 2 (290) Telephony - Telegraphy. Vol 3 (250) Telegraphy - Communication Cables. Vol 4 (325) Broadcasting & Television. Vol 5 (245) Broadcasting & Television Part II - Radio Communications (I). Vol 6 (320) Radio Communications (II). Vol 7 (165) Radio Communications (III) - Radar - Space Communication Satellites part I. Vol 8 (280) Space Communication Satellites Part II. Vol 9 (475) Research & Telecommunications. Vol 10 (470) Conferences, Exhibitions, Events, Organisations Part 1. Vol 11 (160) Conferences, Exhibitions, Events, Organisations Part 2 & Education. Vol 12 (315) "Un-named". Vol 13 (360) "Un-named". Overall wide range of stamps (3900) inc 1965 ITU comp (??) Omnibus inc FS & AT 30Fr (2, cat £280) & both British Comm (cat £140) & French Colonies/Dependencies & French Polynesia (2, cat £100), New Caledonia 40Fr & New Hebrides 60Fr. Others noted inc USA 1901 Pan-American 10c (£130), France 1938 Adler 50Fr (rounded cnr, £130), NZ 1898 Pigeon Post 6d blue triangle (£75). Singapore 1971 Satellite set (£35) & Ascension 1934 Map & Pylon 2/6 (£40), French Antarctic 1969 Treaty 50Fr (£30) & 1963 "Quiet Sun" set (£145). Plus M/Sheets (130+) inc South Korea or French Colonies imperfs & Japan 1949 Communications (cat £140). Toning noted in several albums, vast majority F-VF M/MUH. Cat value of the mentioned alone £1245. Too varied to do a total cat value, but would be substantial. Unique coll'n. (3900 & 130 M/S). Reduced to sell! $2500 $3500