50.00
The value of a 1930 Oster Reich groschen coin can vary depending on its condition, rarity, and demand from collectors. Generally, these coins can be worth anywhere from a few dollars to around $50 or more. It's best to have the coin appraised by a professional to get an accurate value.
50-500 usd
It's a common date, currently worth about $10 for the silver.
It is Worth £50 to £130 at the moment it is a good time to sell
The value of a 1961 50 Groschen coin can vary depending on its condition and rarity. In general, it may be worth around $1 to $5 USD for a circulated coin, but it could be higher for a coin in excellent condition or with unique features. It is recommended to have the coin appraised by a professional coin dealer or numismatist to get an accurate valuation.
50-500 uSD
In 1907 50 cent pieces were worth 50 cents. They are worth more today.
$50
50
The groshen is an outdated currency. It was replaced by the Euro. So current market value it's worth nothing. If you are talking about collector's value, it's impossible to answer because you need to supply year of circulation and condition. Which country would help as well because the term groschen has been used by a number of countries over the centuries.
Please check your coin again and post a new, separate question with its date and whether the "50" refers to groschen or schilling.
It's worth 50 cents.