Unified Vietnam, Summit of Vietnam, Laos and Cambodia, March 25th, 1983, Michel Nr. 1306-1307; Two stamps in nominals of 50xu and 5D in basically the same design but slightly different color schemes were issued in perforation 10.75.

Here is a mint pair of the 50xu  value.

Here are two mint pairs of the 5D value that shows the two color shades this value is known for. The first one shows a dark blue base color while the second one shows a light blue base color.

These stamps were not officially released imperforate however a small number of imperforate trial proofs have come to market. Here are two of them.

There are a number of production errors and plate errors known of this series. This is a mint block of six 50xu stamps that shows four plate errors.  The top right stamp shows the “broken V variety”, the middle left stamp features a “white dot in the blue triangle”, the middle right stamp “red dot next to CAO” and the bottom left stamp the “broken 5 in 50 variety”

Detailed scans of the affected areas.

Mint block of four of the 50xu value that shows severe printing errors in the red printing phase  on the two lower stamps.

Detailed scan of the affected area.

Mint block of ten of the 50xu stamps that shows a double printing of the blue base color. This was the result of a rubber mat that was not sufficiently tightened and hence began to vibrate.

Detailed scan of the blue print.

Mint block of four of the 50xu value of which the top right stamp shows the plate error “90 instead of 50” (Field 8).

Detailed scan of the affected area.

Mint block of four of the 50xu value on which the two right values shows a printing error of the blue base color.

Detailed scan of the affected area.

Here are two mint blocks of four that both show the same plate error “curvy blue line” (Field 12) in the top right stamps. The background color of the two blocks is different. The first block is in “light-ochre” while the second block is in “dark-ochre”.

Detailed scan of the affected area.

Dark-ochre base color with the error.

Mint strip of five 50xu stamps that features a dark red printing phase and shows a plate error “blue dot in N of VIETNAM” on the middle stamp and a production error of the red printing phase on the second from the right stamp..

Detailed scan of the affected areas.

Mint strip of five 50xu stamps that show a very light blue base color as well as a slightly lighter red.

Detailed scan of the blue printing phase.

Mint block of threee of the 5D stamps that shows a significant production error in the red color phase on the left and right most stamps.

Detailed scan of the affected areas.

Mint block of five of the 5D value of which the second stamp from the right shows the plate error “white dot in top heart”. 

Detailed scan of the affected area.

Mint strip of five 5D stamps on which the middle stamp shows a plate error of “damaged blue inscription”.

Detailed scan of the affected area.

Registered air mail letter from May of 1983 featuring the Summit set plus the two color varieties of the 30xu HCM stamp from the Communist Party Congress set.  The overall postage amounted to 15.7D. The zero money free frank was required to produce the r-label for the letter. Green Fulda custom cachet on front.

Registered air mail letter sent from Nguyen Trai to Klewitz on April 30th, 1983. The center 5D value shows the plate error of “white dot in top heart” plate error and a printing error on the left 50xu stamp. The overall postage amounted to 24D. Green Fulda custom cachet on the reverse.

Registered air mail letter sent in June of 1983 from Nguyen Trai to Klewitz that features a total of four plate error stamps. There are two “red dot next to CAO”, and one each of the “curvy blue line” and “broken 5 in 50”. Plate error on postally used cover are very rare. The overall postage of the letter amounted to 26D. Green Fulda custom cachet on front.

Large envelope mailed via registered mail in June of 1983 from Nguyen Trai to Klewitz that teems of plate errors. The top right stamp of the block of six shows the “broken V variety”, the middle right stamp “red dot next to CAO”, the middle left stamp “white dot in blue triangle” and finally the bottom left stamp “broken 5 in 50”.  The middle block of four shows the “90 instead of 50” plate error (Field 8) on the top right stamp. The right most block of four shows a printing error of the blue color run on the two top stamps. On the reverse on the left block of four the top right stamp shows the “curvy blue line” plate error on the top right stamp and the “blue dot in right heart” on the bottom left stamp. On the second block of four the bottom right stamp shows a “broken 0 in 50 variety”. The overall postage of the envelope amounted to 31D. Green Fulda custom cachet on front. The collection of plate errors on a single envelope is most certainly unique and hence a rare item.

Registered air mail letter sent from Nguyen Trai to Klewitz in February of 1984. The letter carries all  of the perforated Reptile set plus stamps from the Vietnam, Laos, Cambodia Summit for an overall postage of 33.60D (including the red free frank for 2.40D). Green Fulda custom cachet on front.

Registered air mail letter sent from Ho Chi Minh City featuring four of the 10D Karl Marx stamps plus two Summit stamp sets for an overall postage of 51.50D. The zero money free frank was required to produce the R-label as it came out of the same machine. Green Fulda custom cachet on front.

Registration Nr. 103360

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