1915

Jan. 1915: руб 1. = $0.430
Feb. 1915: руб 1. = $0.439
Mar. 1915: руб 1. = $0.444
Apr. 1915: руб 1. = $0.432
May 1915: руб 1. = $0.404
Jun. 1915: руб 1. = $0.3885
Jul. 1915: руб 1. = $0.350
Aug. 1915: руб 1. = $0.340
Sep. 1915: руб 1. = $0.3463
Oct. 1915: руб 1. = $0.3425
Nov. 1915: руб 1. = $0.3263
Dec. 1915: руб 1. = $0.3125

At NYC:


Daily Sight Rates, Major Currencies at NYC:




c. Mid-May 1915:

1914

1908

USA:

New York on London 









Russia:

1 руб. (Ag) = USD$ 0.515;  1.94175 руб. (Ag) = USD$ 1.

1909

June 1, 1909:  руб 1. = USD$ 0.51625

1912

руб 1. = USD$ 0.5146
 
June 1912:

1910

(Denzel 2010)
USD$ 1. = руб 1.9396; руб 1. = USD$ 0.5156

руб 1. = ℳ 2.1636



Consular Report: 
1910: ℳ 1. = $.2380

1907

UK:


 

USA:


руб 1. = USD$ 0.4916

1905

руб 1. = USD$ 0.5001

1904

New York:
 

руб 1. = USD$ 0.5022

1903

New York:








руб 1. = USD$ 0.5017

1902

ℳ  1. (Au) = USD$ 0.


руб 1. = USD$ 0.501

1901

USA:








February 1901


June 1901
 

September 1901 


November 1901     

 
руб 1. = USD$ 0.5026

1911

USD$ 1. = руб 1.94338
  
£ 1. = USD$ 4.86

Platinum Roubles

The average reported weight for the 3-Rouble 'Ducat' was 159.776 Grains (~10.353 Grams), probably a fair estimated value for lightly circulated coin.

In France, the estimated weigh for the1828/30 coin was ~10.364 Grams.  


Reported in 1843, the Weights of Platinum Roubles, from a Russian collection/publication; updated in 1855: the 3-Rouble of 1833 weighed 159.11 Grains; the 1834 weighed 160.19 Grains.  The annual Average Weight is ~159.81 Grains (10.35553 Grams)

Citation: Monnaies et médailles russes, d'après l'état donné par le cabinet du General D'Infanterie...,  Fedor Fedorovich SHUBERT (1858)

1788

1788: 1 Troy Oz. Silver (UK, .999 Mkt) = £0.2904 ; 1 Troy Oz. Silver (S$ .999) = £0.2941

1788 France/UK Exchange:

£ 1. = L.T. 22.7692?


Where the Paris Ell was 1.213 English Yards, and '24 Livres' (Louis d'Or) = £ 0.9286, so 
"33 L.T./Ell" = £ 1.306 ∴ 1 English Yard of 'Peignon' cost 27.205 L.T. (=£ 1.08) 
 
In 1802, the London Price was £ 1.575




1788: S$1. = £0.1750?
 

1789

France:
  
£ 1. = LT. 26.625





S$ 1. = P$ 2.50


1 Onza Gold = P$ 37.50



6 Oct 1789:


Double Louis d'or
Weight: 15.23 g. ; 13.72 g. Fine Gold




Weight: 15.29 g. ; 13.77 g. Fine Au





Weight: 15.29 g. ; 13.776 g. Fine Au, ~.915 Fine (if at Standard Weight)


22 16/32 karats is .9375 ???



c. 1840:
Weight: 15.228 g. ; 13.72 Fine Au

1787

c.1786


Spain: 

Peso Current: P$ 1 = £ 0.15; P$ 6.67 = £ 1.
S$ 1 = £ 0.2107 ; S$ 4.7458 = £ 1.