5 C. Along with 10 C., vertical pair, always network tips to the top, on correctly franked letter from single circle postmark "STRASSBURG 3 / 9 71" to Basle / Switzerland with arrival postmark, a 10 C. Shortened perf, otherwise excellent condition, in addition to it letter with 20 C., network tips to the top, with blue black horseshoe cancel "MÜHLHGAUSEN i. ELS. 31 OCTBR. 71" to Audincourt, in perfect condition,