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.

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

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

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

Exceedingly Rare Multiple Printing Error of Queen Victo ...

Error Stamp of Queen Victoria 2as printing shifted to u ...

Rare Error 25 Rs Stamp of KGV of 1912 E & R are Broken ...

Rare Refugee Relief Error with Inverted Printing on bac ...

Major Printing Error Sheet of 70 Stamps of 2 Rupees in ...

Very Rare Imperf and Perforation Shift Error in Potter’ ...

Rare Dry Print Error Stamps Sheetlet of Breeds of Dogs ...

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

Error Travancore stamp.