| SIAM | 1918 (12 Dec) The South Siam. WWI Malaysia censored via Malasyia routing. Denmark - Huang Prae fwded SWANKALOKE. Fkd env reverse via Penang (10 Feb 19) + all 5 diff Thai transits + Train TPO box. Outstanding rarity. |
U$ | 2800 |
| SIAM | 1918 (12 Dec) The South Siam. WWI Malaysia censored via Malasyia routing. Denmark - Huang Prae fwded SWANKALOKE. Fkd env reverse via Penang (10 Feb 19) + all 5 diff Thai transits + Train TPO box. Outstanding rarity. |
U$ | 2800 |