Auction UPA 93

2 x 20p & 4 x £1: Large 'SPEEDPOST' cover to mark the Link with London of the Experimental Scheme (which started on the south coast in November 1975). Brighton cds postmark, plus service cachet and typed address to London. Has PHQ receiving mark on the reverse which seems to be at 2:50pm that day (credit Buckingham Covers). Neatly typed address. Retail price in 2017, £175. Some light marks on cover. (image available) {C} [US2] (Start Price / Minimum Bid = £62.40)