Based on the data provided, we can observe that the coin has had an average auction closing price of 93.33 euros in previous auctions. Additionally, it has been auctioned three times in the past and has been sold on all those occasions.

Taking into account the condition of the coin (75 - VF) and the previous auction prices, where the estimated price has ranged between 50 and 150 euros, we could estimate a maximum purchase price of around 120 euros.

It is important to consider that the starting price on this occasion is 30 euros, so the final auction price may be above this figure. However, considering the historical data and the condition of the coin, an estimated maximum purchase price of 120 euros could be reasonable.

Based on the data provided, we can observe that the coin has had an average auction price of 646.1 euros in the past. Additionally, it has been auctioned 25 times and sold in 22 of those auctions.

The current condition of the coin is 25 (BC), indicating that it is not in the best condition, but it is not extremely deteriorated either.

Reviewing the previous prices of the coin, we can see that it has had auction prices ranging from 116 euros to 3600 euros, with estimates ranging from 50 euros to 2500 euros.

Given that the coin has sold in the majority of past auctions and has had auction prices significantly higher than the current starting price (30 euros), we could estimate a maximum purchase price in the range of 600 to 800 euros, considering the current condition and auction price history.

Therefore, an estimated maximum purchase price for this coin in the next auction could be around 700 euros.

Based on the data provided, we can observe that the coin in question has had a starting price in the current auction of 45 euros and is in a conservation grade of 70 (MBC-). Additionally, it has been auctioned a total of 17 times in the past, with an average starting price of 71.88 euros and an average closing price of 123.24 euros.

When analyzing the previous prices of this coin in past auctions, we can see that it has had a considerable variation in starting, estimated, and closing prices over the years. However, overall, the closing prices have been higher than the starting and estimated prices in most cases.

Given that the current conservation grade of the coin is 70 (MBC-) and considering the trend of previous closing prices, as well as the fact that it has sold in all past auctions, we could estimate a maximum purchase price around 130-140 euros for this coin in the current auction. This is considering that previous closing prices have been higher than the current starting price and that the coin has had consistent demand in previous auctions.

It is important to note that the final closing price may vary depending on factors such as demand in the current auction, competition from other bidders, and specific interest in this particular coin.

Based on the provided data, we can see that the coin in question has a conservation grade of 70 (MBC-), with a starting price in the upcoming auction of 40 euros. Additionally, it has been auctioned 4 times in the past, with an average starting price of 39.25 euros and an average closing price of 70.5 euros.

We also have information on previous auctions of this same coin:

1. In the auction on December 11, 2019, the coin had a starting price of 90 euros, an estimated price of 120 euros, and closed at 100 euros, with a conservation grade of 75.
2. In the auction on February 22, 2022, the coin had a starting price of 15 euros, an estimated price of 30 euros, and closed at 27 euros, with a conservation grade of 30.
3. In the same auction on February 22, 2022, another similar coin had a starting price of 12 euros, an estimated price of 20 euros, and closed at 20 euros, with a conservation grade of 25.

Given that the coin has previously closed at prices ranging from 27 euros to 100 euros, and considering the current conservation grade of 70 (MBC-), we could estimate a maximum purchase price around 90-100 euros. However, please note that the final price will depend on the demand at the auction and other factors that may influence the decision of potential buyers.

Based on the data provided, we can observe that the average starting price of this coin in previous auctions has been 63.74 euros, while the average closing price has been 108.34 euros. The conservation grade of the coin to be auctioned is 70 (VF-).

Considering that the coin has been auctioned 97 times in the past, with a total of 89 successful sales and 8 unsold, we can see that there is considerable interest in this coin among collectors.

Given that the conservation grade of the coin is 70 (VF-), and taking into account the previous prices of similar auctions as well as the interest it has generated in the past, we could estimate a maximum purchase price around 110-120 euros.

It is important to note that the final auction price will depend on several factors, such as the demand at that specific moment, the competition from other bidders, and the willingness of buyers to pay for this particular coin.

Based on the data provided, we can observe that the coin in question has had a good auction history, with an average auction price of 108.41 euros. Additionally, its current condition is 95 (EBC+), which is quite high.

Considering that the coin will be auctioned in the coming days with a starting price of 90 euros, we can estimate a maximum purchase price based on the average auction price and the condition of the coin. Given the high condition and the average auction price of 108.41 euros, we could consider a maximum purchase price around 120-130 euros.

It is important to note that the final auction price may vary depending on the demand at that specific time, so it is advisable to stay alert during the auction to adjust the offer accordingly.

Based on the data provided, we can observe that the coin has had an average auction price of 190.64 euros in the past. Additionally, the condition of this coin is described as '75 (VF).'

Considering that the coin's condition is VF (Very Fine), and taking into account the historical average auction price, as well as the current starting price of 75 euros, we could estimate a maximum purchase price around 200-220 euros.

It is important to note that the final auction price may vary depending on the demand at that specific moment, so it is advisable to monitor the auction's progress to adjust the offer accordingly.

Based on the data provided, we can observe that the coin in question has had an average auction closing price of 140.62 euros in previous auctions. Additionally, the condition of this coin has been described as '70 (MBC-)'.

Considering that the condition is '70 (MBC-)' and the average closing price has been 140.62 euros, we can estimate a maximum purchase price for this coin to be around 150-160 euros. Given that the condition is not the highest and the average closing price has been relatively stable in previous auctions, this estimation seems reasonable.

Therefore, my recommendation would be to consider a maximum purchase price of around 150-160 euros for this coin in the next auction.