1933 Ministry of Agriculture official cover by air to ".../Consul General for Siam/...World's Grain Exhibition and Conference/Regina.../Canada" with scarce solo franking of 1932 Rama I 1b indigo tied by untidy Bangkok cds, 'MONTREAL' transit b/s, very minor blemishes. [Scarce mail to an exhibition]

Grade B (Image1)

Estimate AU$100

REVENUES: 1890s-modern array of revenues on 48 documents with numerous stamps on each, noted 1890s Court Fee Elephant bicolours & surcharges, some with annotated varieties & mis-perforations, condition variable.

Estimate AU$200