price tag; price label
Refers to a tag or label showing the price of an item, often implying a fixed price that cannot be haggled down. Common in retail contexts.
This item doesn't have a price tag on it.
I checked the price by looking at the price tag.
price-tagged item; tagged merchandise · notorious person or thing; well-known (negative)
fixed price; set price
Compound of 正 (しょう, 'correct' or 'official') and 札 (ふだ, 'tag' or 'label'). The combination suggests a tag showing the proper, non-negotiable price.