ca 1920 Cover from Oga Dzong, f.w. Tibet 3rd issue 1/2tr + 2/3tr + 1 tr + 2tr + 4tr, tied by Oga Dzong type 2 h.s. On reverse with Gyamda,
ca 1920 Cover from Oga Dzong, f.w. Tibet 3rd issue 1/2tr + 2/3tr + 1 tr + 2tr + 4tr, tied by Oga Dzong type 2 h.s. On reverse with Gyamda, Chomorak, Medagongkur Lhasa h.s. Despite philatelic, cancellations from these small post offices are very scarce.約1920年沃卡宗寄出,貼西藏獅圖第三版半章噶 + 2/3章 噶 + 1章噶 + 4章噶,銷沃卡宗2型戳記。背面鈐江達、 錯木熱、墨竹工卡、拉薩日戳。雖為集郵封,但川藏線上 的郵局郵戳仍珍稀萬分。