I wonder why there is no officinal drachma sign present in Unicode so far. It seems really odd.
Other old weight measurement signs are there: scrupule ℈ (2108), libra ℔ (2114), ounce ℥ (2125). There is also a character for uncia semis 🝳 (1F773) meant to be a sort of ligature, and, nota bene, a character for drachma semis 🝲 (1F772) which is shown as a compound glyph. Especially in the light of the latter I find it illogical that the actual drachma is not to be found anywhere. It is a character very well attested in historic materials.
– OK, the shape of it resembles the latin ezh ʒ Ʒ (0292, 01B7). But that seems hardly to justify the omission of the dram. Ezh is a bicameral letter, it has other function and technical behavior than the drachma. The dram sign is a unicase ideographic character which is likely to demand different typographical treatment than the letters it looks so similar to, for instance its width in relation to other measurement signs or even figures.
Am I missing something important? Any thoughts?
0292 – lowercase ezh
01B7 – uppercase Ezh
F2E6 – Drachma sign, MUFI encoding (PUA!)
1F772 – half drachma
2125 – Ounce sign
1F773 – half ounce (ligature)
1F713 – cinnabar sign