Example how coins search can be used.
In case of search 'Russian Empire Nicholas II 1 ruble' it can be done in following way:
'ruble' is typed in search field - a lot of rubles are displayed.
then filter attributes are used to narrow the search result:

"Russian Emprire" is filtered.

"Nikolay II" is filtered.

"1" is filtered.
Few Nicholas II Rubles are displayed:

2023-01-09
- New coin is added to 1 Ruble USSR (1922 - 1991) Copper/Nickel Lenin (1870 - 1924)
1 Ruble USSR (1922 - 1991) Copper/Nickel Lenin (1870 - 1924)
group has
16 coins
/ 3 prices
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