Bidspirit auction | 1911/21 - Mercury, Iris, Hermes.
1911/21 - Mercury, Iris, Hermes. Perforated zigzag. Yvart 179/188 - 191 - 193. Langate - MH. Cat. 492
1911/21 - Mercury, Iris, Hermes. Perforated zigzag. Yvart 179/188 - 191 - 193. Langate - MH. Cat. 492