Lot 30166 – 1924 Paris group incl. 30c proof in grey-blue (taken from the composite sheetlet of proofs with other issues)

1924 Paris group incl. 30c proof in grey-blue (taken from the composite sheetlet of proofs with other issues), 1924 (Jul 13) cover with 25c & 50c used during the Games sent underpaid to Switzerland, Olympic 25c tied by Olympic cancel on cover, poster vignette tied to cover, and poster vignettes in two different colours in blocks of six or eight, plus some loose stamps.