It is the universal multivalue type with Chinthes and Pylons, inscribed UNION OF BURMA. First machine of its type appeared in 1954, with license number U1. Two types of U1 has been recorded. The first type, which will be noted as U1a, is more rare variety and used for a short period only. The main differentiation is the symbol between the K and P, U1a with the short vertical line and U1 with the pylon-shape ornament. The specimen print of U1a is shown below with the value of 64K 78p. The author has seen two such examples, one with the word "SPECIMEN" handstamped in turquoise color and set the value at 24K 35p. Both bare the same date, 21 Jan 1954.
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| Specimen print of U1a |
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| Comparison of U1a (left) and U1 (right) |
The date on the above sample can be assumed as the earliest date of usage, but in contradictory, no commercial usage was recorded until 1957. According my records and study, U1a was recorded in use between 3 May 1957 to 1 August 1957.
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| U1a, earliest known usage |
To date, U1 type is recorded in use from 11 November 1957 to 12 December 1957. Other examples beyond that period is yet to discover. Same as U1, with the pylon ornament, license numberU2 to U39 were also recorded.
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