The former three stages reflect the major process of eclogite facies metamorphism and the latest stages the light overprinting of greenschist facies retrometamorphism at the shallow level of crust.

前段反映了榴辉岩相变质作用主要过程。后一段，反映了榴辉岩在地壳浅部层次绿片岩相环境下遭受轻微叠加改造。

Set of stamps in the above designs and in a third design showing a woman quilling was prepared in 1920, but not issued price of set, $4, exist with “SPECIMEN” overprint and imperf counterfeits exist.

1920年亚美尼亚邮票样票，因印刷套印错误，未发行，存世仅有样票和有缺陷伪造票（膺品票）。