Rare ERROR collection in Philately of British India Period

Error, British India, King George V, &nbsp;1922, &frac12; Anna, Block of Four, Surcharge Overprint inverted, Phila # 191, MNH,&nbsp;excellent condition, Rare.

Rare Error Stamp of King George V printed with Inverted ...

Pair of Error Stamp of King George V Half Anna Surcharg ...

Very Rare Error Stamp of Queen Victoria 4as Green print ...

Error Stamp of King Edward VII, 10Rs, ON H. M. S. OVPT ...

Extremely Rare Albino Error Envelope of KGVI of One & H ...

Rare Error Stamps Pair of Queen Victoria Half Anna Blue ...

Dry Printing Error Sheet of 70 Stamps of 2 Rupees in Ru ...

Double Printing Error in Block of Four Stamps Sparrow I ...

Error Stamp of definitive Series of 1974, 25p Chittal, ...

Error FDC 1984 Complete set of 4V with 1st Day Cancella ...

Rare & Unique Error Stamps of Cochin with inverted S in ...

Error Strip of 5 Definitive Stamps of 1988 Mahatama Gan ...