1776

USA: NY£ 1. = S$ 2.50

Where 1 Dozen Tablespoons cost NY£ 12. (S$ 25) and 12 Small Teaspoons cost NY£ 1.80 (S$ 4.50) if charged identically, 1/6th the weight.

1780

On 25 June 1780, Richard Humphreys sold 2 Dozen Table Spoons weighing 49.3 Ozt, or 2.0542 Ozt/ea. for £ 34.1875 (£ 1.4245/ea.)

1780: 1 Ozt Silverware (Tablespoon)  = Coin £ 0.6935


Coin £ 1. = RI £ 20.

1 Ozt Silverware  = Coin £ 0.5114



Cadiz, c.1780:

 

1779

In Providence RI, 11 large silver spoons are equal to 2 silver dollars each = S$ 22./RI£ 6.60

S$ 1. = RI £ 0.30

1763

Providence RI:
82 gold beads (0.2667 Ozt.) was valued at RI£ 32.65
In Standard Silver, 7 spoons, 2 shoe and 1 knee buckles (9.542 Ozt) was valued at RI£ 84.80

1763: 1 Troy Ounce Gold (.82? Fine Au Mfg, secondary mkt) = RI£ 122.42
1763: 1 Troy Oz. Gold (Est. .999, Mkt) = RI£ 149.30
 
1763: 1 Troy Ounce Silver (.891 Fine Ag Mfg, secondary mkt) = RI£ 8.887
1763: 1 Troy Oz. Silver (Est. .999, Mkt) = RI£ 9.9742
 

1767

1763-67, Charles Oliver Bruff charged NY£ 2.05 to manufacture 1 dozen Tablespoons and NY£ 1. to manufacture 1 dozen Teaspoons. The weight difference is unknown.

The "COB" example in the Winterthur Collection appears to be a child's spoon (10.8 cms, 0.2894 Ozt) or mustard spoon.

1785

Joseph Cooke of Philadelphia advertised (Standard?) Silver for P£ 0.75/Ozt (=£ 0.4237; S$ 2.95 currency, S$1.88 Silver Coin); labor cost extra?

1785: 1 Troy Ounce Silver (Philadelphia, Est. .999) = S$ 2.04

1794

USA:
 

 
In New York, a Journeyman Silversmith earned NY£ 1.12/week, half of which was room & board.  He probably produced 72-84 Tablespoons per month, at this salary.  

A Journeyman Silversmith 3-3.5 Spoons per day for $ ~0.622; ~$ 0.1926 per Spoon.

In 1904, a New York Silversmith earned USD$ 18.  on average, up to 24./week.

1794: NY£ 1.12 = $ 2.7985 - 2.80?
1794: P£ 1.7335 = £ 1. = USD$ 4.76
1794: NY£ 1.12 = £ 0.63 = USD$ 2.80

1794: NY£ 1.7778 = £ 1. = S$ 4.44
1794: NY£ 0.40 = £ 0.2250 = S$ 1.  

c.1794