1892
It is more like 1899 or 1900. In 1892 it cost $1.08 to buy what $1 would buy in 1900. It is too bad that the dollar does not increase in value any more.
1895
The most valuable American coin in current production is the half dollar. This half dollar is worth 50 cents when used.
The most two most valuable are the 1903-O Morgan and 1928 Peace dollar, followed by the '21 Peace and the '02-S and '03-S Morgans.
From least to greatest: Penny Nickel Dime Quarter Half Dollar Gold and Silver Dollar
The most valuable Franklin half dollar is the 1953 deep cameo proof in PR68 condition. It has a value of around $65,000.
1895
If you mean a Franklin Half dollar the 1955 Philadelphia issue is the lowest mintage.
1794/5 Flowing hair silver/copper dollar
The most valuable American coin in current production is the half dollar. This half dollar is worth 50 cents when used.
The most two most valuable are the 1903-O Morgan and 1928 Peace dollar, followed by the '21 Peace and the '02-S and '03-S Morgans.
From least to greatest: Penny Nickel Dime Quarter Half Dollar Gold and Silver Dollar
1921
The most valuable wine from year to year is probably Ch. Petrus from Bordeaux. It initially goes on sale for $1200 a bottle.
The most valuable Franklin half dollar is the 1953 deep cameo proof in PR68 condition. It has a value of around $65,000.
The most valuable Australian Two Dollar note, in mint uncirculated condition, would be the 1968 (Coombs/Randall) note in the serial range FKD to FPS which might fetch up to $295 AUD.
1794/5 Flowing hair silver/copper dollar U.S.
The 1966 Voyageur silver dollar with small beads around the edge is one of the most valuable silver dollars. It's listed at over $1700. Don't confuse it with the regular 1966 which is worth about $4 or 5.