Possibly, a Ten-Year Average Price.
1899: 1 Troy Ounce platina (SPb Spot: 83% Ore, Avg?) = USD$ 11.
February, 1899:
1899: 1 Troy Ounce Platinum (SPb Spot: Refined) = USD$ 15.22
1899: 1 Troy Oz. Platinum (German Mkt) = USD$ 15.19
Citation: Engineering and Mining Journal, Vol. 112, #12 ; American Institute of Mining Engineers (1921), p.478
January 1899: 1 Ozt. Platinum (UK Producer, London Spot) = USD$ 14.98 (£ 3.075)
April 1899: 1 Ozt. Platinum (UK Producer, London Spot) = USD$ 17.05 (£ 3.50)
April 1899: 1 Troy Oz. Platinum (Semi-Mfg, Ret.) = USD$ 22.
April 1899:
In 1899, the refined wholesale price surged 25%. US wholesale was was >25% higher than ore, and the retail price was yet again >30% higher than wholesale.
The retail premium for Pt was at least ~65% over the market price.
1899: 1 Troy Oz. Platinum (semi-mfg, whols.) = USD$ 20.
1899: 1 Troy Oz. Platinum (ore, intrinsic, mkt) = USD$ 14.50 - 16.
1899: 1 Troy Ounce platina (SPb Spot: 83% Ore, Avg?) = USD$ 11.
February, 1899:
1899: 1 Troy Ounce Platinum (SPb Spot: Refined) = USD$ 15.22
1899: 1 Troy Oz. Platinum (German Mkt) = USD$ 15.19
Citation: Engineering and Mining Journal, Vol. 112, #12 ; American Institute of Mining Engineers (1921), p.478
January 1899: 1 Ozt. Platinum (UK Producer, London Spot) = USD$ 14.98 (£ 3.075)
April 1899: 1 Ozt. Platinum (UK Producer, London Spot) = USD$ 17.05 (£ 3.50)
April 1899: 1 Troy Oz. Platinum (Semi-Mfg, Ret.) = USD$ 22.
April 1899:
Citation: Annual reports of the officers of the State of Indiana (1900) p.234
In 1899, the refined wholesale price surged 25%. US wholesale was was >25% higher than ore, and the retail price was yet again >30% higher than wholesale.
The retail premium for Pt was at least ~65% over the market price.
1899: 1 Troy Oz. Platinum (semi-refined, whols.) = USD$ 16.
1899: 1 Troy Oz. Platinum (ore, intrinsic, mkt) = USD$ 14.50 - 16.
1898: 1 Troy Oz. Iridium (refined, German mkt) = USD$ 37.
1899: 1 Troy Oz. Osmium (ore?, mkt) = USD$ 29.55
1899: 1 Troy Oz. Rhodium (refined, mkt) = USD$ 89.29
1899: 1 Troy Oz. Ruthenium (refined, mkt) = USD$ 48.21
1899: 1 Troy Oz. Palladium (B&L Catalogue) = USD$46.65
1899: 1 Troy Oz. Silver (B&L Catalogue) = USD$ 1.62
1899: 1 Troy Oz. Platinum (B&L Catalogue) = USD$ 26.50 ?
1899: 1 Troy Oz. Iridium (B&L Catalogue) = USD$ 31.10
1899: 1 Troy Oz. Osmium (B&L Catalogue) = USD$ 62.20
1899: 1 Troy Oz. Rhodium (B&L Catalogue) = USD$ 466.50
1899: 1 Troy Oz. Ruthenium (B&L Catalogue) = USD$ 155.501899: 1 Troy Oz. Silver (B&L Catalogue) = USD$ 1.62
December 1898: 1 Troy Oz. Platinum (NY Spot: Ore 83%?) = USD$ 15.50
December 1898: 1 Troy Oz. Platinum (SF Spot: .999) = USD$ 16.00
December 1898: 1 Troy Oz. Platinum (London Spot: .999) ~ USD$ 14.56 (£ 3.0)
circa December 31, 1898:
c.Feb./Mar. 1899:
Feb? 1899: 1 Troy Oz. Platinum (NYC Spot, Refined) = USD$ 17.00
Where 1 Square Inch of Platinum Foil Cost USD$ 0.93, at the standard 0.75 Gram/Sq.In. rate,
January 1899: 1 Troy Oz. Platinum (Foil, retail) = USD$ 31.10
Citation: The Pharmaceutical Era, Vol. 21 (1899) p.190
May, 1899
June 22, 1899:
June 1899: 1 Troy Oz. Platinum (NY Spot: Ore 83?) = USD$ 16.25
June 1899: 1 Troy Oz. Platinum (SF Spot: .999) = USD$ 16.75
June 1899: 1 Troy Oz. Platinum (London Spot: .999) ~ USD$ 15.32 (£ 3.1563)
Sept. 1899: 1 Troy Oz. Platinum (Trade) = USD$ 20.
Citation: Interstate druggist (Sept 1899) Vol. 1, Issue 1 p.59
November 1899: Scrap, $15.50/oz
1899: 1 Troy Oz. Platinum (Trade) = USD$ 16.
Citation: Prospecting, locating and valuing mines: a practical treatise for the use... ; Richard Henry Stretch (1903) pp. 331+Citation: Chemicals and reagents Bausch & Lomb Optical Company(1899)
New York trade was 5.226x Market Rhodium.
1899 1 Troy Oz. Rhodium (NYC: Bulk Fine, Mkt) = USD$ 89.27
1899 1 Troy Oz. Rhodium (NYC: Trade) = USD$ 466.55
1899 1 Troy Oz. Iridium ("in Germany" Retail?) = USD$37.00
1899 1 Troy Oz. Iridium (NYC: Trade) = USD$ 31.10
1899 1 Troy Oz. Palladium (NYC: Trade) = USD$52.88
1899 1 Troy Oz. Palladium (NYC: Trade) = USD$ 46.65
Chemical reagents of Geo. Gruebler & Co., Leipzig {aka: Dr. G. Grübler Physiol.-chemisch. Laborator.} Silver Foil @ 25 Grams for $1.30, or 2.725x Market
1899: 1 Troy Oz. Silver (NYC: Bulk Fine, Mkt) = USD$ 0.5936
1899: 1 Troy Oz. Silver (NYC: Imported Foil, Trade) = USD$ 1.6174
1899: Central Electric Catalogue
Photography: Warren quoted prices for platinum paper in 1899: one dozen sheets of 4 x 5 platinum paper cost 45 cents.
Late December, 1899: 1 Troy Ounce platina (SF: Ore, Spot) = USD$ 6.00-12.00
Citation: Mining and Scientific Press, Vol. 79-80 1/6/1900 p.17