Two engravings of the 18th century

[Fed]

Please help evaluate the two engravings of the 18th century :

The first one : St. Ambrose stops Theodosius , with a dedication to gr. Stroganov , engraving sheet, 1799
Engraving 59h42 , 5 ( the sheet 63h50 )

At the bottom on either side of the emblem : "His excellency the Count Alexander Sergeyevich Stroganov Imperial Academy of Arts president
Ardent students of the Academy of offering E.Chuksina . "

Chuksina EVSTAFIEV ILYICH (Tchouksine)
1780 - 1817
Education received in St. Petersburg Imperial Academy of Arts , a course which he graduated in 1800 with a certificate of the first degree , and was a student Klaubera . During his stay at the Academy in 1799 Chuksin received a silver medal engraving . This marked a medal , engraving , is represented here .

 And next year - a small gold medal " of the problem , representing St. Ambrose , who rejects the gifts brought to the altar of the Emperor Theodosius, for the murder of 40,000 innocent ." After leaving the Academy of Fine Arts , Chuksin served briefly in the Map Depot , and later - when chief superintendent Georgia.

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" Kind of rock , called the Thunder , length 44, width 22, height was 27 feet , found in Lahti in 1768 , the year " 48h73

The stone for the monument , Petru1 ( "The Bronze Horseman ")
Engraver Schlei -

 (JV Schley) - Berlin cutter engraver , who was in St. Petersburg in 1768-1775 years. nagravirovavshy and there are three boards with a view of the thunder - stone ; a follows: 1. " Kind of rock , called the Thunder , length 44, width 22, height was 27 feet , found in Lahti in 1768 , the year 2." Type opening of stone , called the Thunder, appointed to the foot of the Monument to Peter the first . " - 3. " View thunder stone during the transportation of it in the presence of Catherine vtoryya January 20 th 1770 the first year . " under each signature :" G. Velten, del. -J.V. Schley, sculpsit

[Fed]

" Stone type , called thunder , length 44, width 22 , height was 27 feet , found in Lahti in 1768 , the year "
 48h73

Stone for the monument - Petru1 ( "The Bronze Horseman ")
Engraver - Schlei

 (JV Schley) - Berlin engraver cutter , who was in St. Petersburg in 1768-1775 gg. and engraved here three boards facing thunder -stone ; a follows: 1. " Stone type , called thunder , length 44, width 22 , height was 27 feet , found in Lahti in 1768 , the year 2. " View Open Stone called Thunder assigned to the Monument to Peter the Great . " - 3. " Stone type of thunder during the transportation of it in the presence of Catherine vtoryya January 20 th 1770 year . " under each signature :" G. Velten, del. -J.V. Schley, sculpsit

Right field accidentally entered the picture , all the fields are. Good condition.

[AlexSpb]

As for the thunder - stone : it seems that recently , all three sheets sold separately at some European auctions and I, at the request of an acquaintance living in Germany , consulted with regard to their value, with a pair of specialist collectors. All that they could say is that things are little known , nobody in their hands did not hold , not sell them and, therefore, not be an accurate assessment . Submitted by you ( more boring ) - cheap , while others, with a bunch of people - more expensive. Sold out , they seem to be something of the order of 1000 euros per share ( more recent , well-known and smaller sheets of Monferranovskih series depicting carrying the Alexander Column , columns, Isaac , and Thunder- stone, are , as far as I remember, on the plus-minus $ 500 per unit on the circle).
So, if you take your not on this auction, all I can do for you , this is - to try to clarify the name of the auction , and an accurate result.

[Fed]

Сообщение от AlexSpb

all that I can do for you is - try to specify the name of the auction, and an accurate result.

Thank you very much.
If you will not be very difficult, would be glad to know these details.

[AlexSpb]

Here, finally found it.

http://www.uppsalaauktion.se/trafflista.php

Frankly, he doubted, but in this case, the law "paired surfacing" is not very hard to believe.
Rather, just the only one of the three unsold for you and offers.

[Fed]

The link did not open.
<! - ~ 12 ~ ->

[AlexSpb]

Now, seemingly, was opened.
Perhaps they have something with the site was some kind of work.

In short, the very first three numbers on the very first page of the last auction on June 12.

The other two went for 6,000 kronor in assessing 8.000-10.000,

as shown by you is not sold at all.

[Fed]

I looked.
Interestingly, the inscription on the auction made by hand by Fr.

It turns out that made for internal use with the press, and was exported out of the hand is evident in what country were sent.

[AlexSpb]

This means that different after all, looked attentively.
Indeed, it is interesting!