1926-31年中国西藏50 Tam。TIBET. Government of Tibet. 50 Tam, ND (1926-31). P-7a. PCGS Fine 12 Apparent. Internal and Edge Splits.黑色1B版別印章,罕見日期。PCGS標註票面内部及邊緣撕裂。PCGS Fine 12 Apparent. Internal and Edge Splits.
1926-31年中国西藏50 Tam。TIBET. Government of Tibet. 50 Tam, ND (1926-31). P-7a. PCGS Fine 12 Apparent. Internal and Edge Splits.黑色1B版別印章,罕見日期。PCGS標註票面内部及邊緣撕裂。PCGS Fine 12 Apparent. Internal and Edge Splits.