Airmail cover from British India to Republic India

KGV, 1931,&nbsp;Air Mail, 1a (Inaug. of New Delhi 1931) 1a (brown), Air mail Sigon Mark &quot;Across the BAY, and over the YOHMAS to RANGOON, With the American Fliers Messers Ross Hadley and John, Pratt in their Plane the N. R. 8809&quot;,&nbsp;signed by pilot John Pratt &amp; Ross Hadley on front, Cancelled with PARK STREET &ndash; CALCUTTA, 28 Mar 31, Cancelled on 3 MAR 31. Violet pictorial cachet and instruction mark &ldquo;Held up till 1st&nbsp;April, Owing to Unforeseen Circumstances&quot;, Excellent Condition.&nbsp;

Extremely Rare First Day Cancellation of Jubilee Cover ...

Sea Air Mail Cover with Yellow label of BRITISH FLIGHT ...

Postal cover letter sent from Hindown to Seekri in 1873 ...

Mint Airgraph Form of King George VI with Franking of 8 ...

Rare Victoria Period Cover of Half Anna with Cancellati ...

Extremely Rare Cover with Bisected Stamp of King George ...

Private Cover of 1955 with Pictorial Cancellation and T ...

Rare Queen Victoria Cover of 1866 with 85 mark diamond ...

Beautiful Private Cover with a Slogan Cancellation and ...

Extremely Rare Cover of KGV Stamped used in Afghanistan ...

King George V India One Anna Cover used in Pondicherry ...

Rare Queen Victoria Steamer Cover of 1870 with India Pa ...