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.

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

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

Stamps with Various Errors of Queen Victoria & King Geo ...

2 Pairs and a single Error Stamps of KGV 3Pies, Rs prin ...

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

Exceedingly Rare Multiple Printing Error of Queen Victo ...

Imperf Error on Guglielmo Marconi Stamp Pair of 2 Rupee ...

Rare Imperf Block of Four Error Rural Prosperity Issue ...

Error Strip of Definitive Series of 1979, 25p Poultry w ...

Very Rare Partial Imperf Sheetlet of 31st Olympic Games ...

Complete Imperf Block of 20 Stamps in Flora & Fauna Def ...

Error Stamps of Definitive Series of 1979, 25p Poultry ...