Hintha type: 4D opium weigth , 20 Tical (325 gr) prior to ND 1917 Verification marks are the 6st mark or the bird, but they were rarely punched; often they seem to be hand engraved or they are missing. Gear group H4 produced 2nd half 19th til early 20th century Weight mass: 20 Tical (325 gr), the Hintha all have the higher standard of 16.3 g/Tk. Please take a good look at the photos, they are part of the description. They provide a clear picture of the quality and condition of the product and they fill in any gaps in the text or correct any errors and are decisive for the description of the product."