티벳 이중원 (T1-6)

Bilingual Negative Postmarks (T1-6)

Image (not to scale)	Type	Post Office	Size (scan with 600 dpi)	Color	Known Usage from / till / Comments
	T1	Chushur		Black
	T1			Blue
	T1			Green
	T2	Dongkur		Black
	T2			Blue
	T2			Violet
	T3	Gyantse		Black
	T3	Gyantse		Black
	T3	Gyantse		Black
	T3			Brown
	T3			Blue
	T3			Violet
	T3			Rose
	T3			Red
	T4	Lhasa I		Black
	T4	Lhasa I		Blue
	T4	Lhasa I		Darkblue
	T4	Lhasa I		Violet
	T5	Nangartse		Black
	T5	Nangartse		Black
	T5	Nangartse		Black
	T5			Blue
	T5			Mauve
	T6	Pelti		Black	With Date inserted by manuscript
	T6	Pelti		Black
	T6			Mauve