olemus
(a) trükise paarisnumbriline lehekülg
paremalt vasakule kirjutavates keeltes
(b) dokumendi, kaardi, rahatähe, mündi, medali tagakülg

Wiktionary:
1. the back side of a flat object which is to be examined visually, as for reading, such as a sheet, leaf, coin or medal
2. (printing) the left-hand page of a book of a script which reads from left to right, usually having an even page number

ülevaateid
https://en.wikipedia.org/wiki/Recto_and_verso

piltlikult
https://duckduckgo.com/?q=verso+of+coin&t=h_&iar=images&iax=images&ia=images

https://duckduckgo.com/?q=recto+and+verso&t=h_&iar=images&iax=images&ia=images

http://www.coins-world.info/images/euro-coins/euro-banknotes/banknotes/20e_ver.png

http://l7.alamy.com/zooms/e68df5a010c84254931922d612872c0f/estonian-one-euro-coin-c4eb38.jpg

vt ka
- avers
- pööre (1)
- tagakülg (2)